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[l] at 9/12/19 10:37pm

Anyone who has ever peered at Saturn through a small telescope is immediately enticed by its elegant rings, which make the far-flung planet one of the most exotic-looking, opulent worlds in the solar system.

[Author: Keith Cowing] [Category: Saturn, Saturn]

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[l] at 9/12/19 10:37pm

Engineers took NASA's Mars 2020 for a spin on Aug. 29, 2019. The 2,300-pound (1,040-kilogram) Martian vehicle was rotated clockwise and counterclockwise at about 1 revolution per minute on what is called a spin table in the clean room of the Spacecraft Assembly Facility at NASA's Jet Propulsion Laboratory in Pasadena, California.

[Author: Keith Cowing] [Category: Mars, Mars 2020 Rover]

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[l] at 9/12/19 10:37pm

An international team of astronomers has discovered one of the largest features ever observed in the center of the Milky Way - a pair of enormous radio-emitting bubbles that tower hundreds of light-years above and below the central region of our galaxy.

[Author: Keith Cowing] [Category: Astronomy, Milky Way]

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[l] at 9/12/19 5:16pm

A newly discovered comet has excited the astronomical community this week because it appears to have originated from outside the solar system.

[Author: Keith Cowing] [Category: Asteroids, asteroid]

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[l] at 9/11/19 1:57pm

With data from the NASA/ESA Hubble Space Telescope, water vapour has been detected in the atmosphere of a super-Earth within the habitable zone.

[Author: Keith Cowing] [Category: Astrobiology, K2-18b]

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[l] at 9/10/19 11:49pm

Hot and dry. These are the watchwords for large fires. While every fire needs a spark to ignite and fuel to burn, it's the hot and dry conditions in the atmosphere that determine the likelihood of a fire starting, its intensity and the speed at which it spreads.

[Author: Keith Cowing] [Category: Earth, Fires, Fires]

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[l] at 9/9/19 8:46pm

Every spring the sun shines on the side of the stack of layers at the North Pole of Mars known as the north polar layered deposits. The warmth destabilizes the ice and blocks break loose.

[Author: Keith Cowing] [Category: Mars, Mars]

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[l] at 9/9/19 8:46pm

Almost all the planets of our solar system have moons. Each planetary system has however unique characteristics.

[Author: Keith Cowing] [Category: Mars, Mars]

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[l] at 9/9/19 8:46pm

Rosetta observations of 67P/Churyumov-Gerasimenko (67P) reveal that most changes occur in the fallback-generated smooth terrains, vast deposits of granular material blanketing the comet's northern hemisphere.

[Author: Keith Cowing] [Category: Comets, Comet]

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[l] at 9/9/19 8:00pm

Just as people of the same age can vary greatly in appearance and shape, so do collections of stars or stellar aggregates.

[Author: Keith Cowing] [Category: Astronomy, Astronomy]

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[l] at 9/9/19 11:43am

The final chapter of the historic detection of the powerful merger of two neutron stars in 2017 officially has been written.

[Author: Keith Cowing] [Category: Astronomy, Astronomy]

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[l] at 9/9/19 11:43am

Using radar data from NASA's Cassini spacecraft, recently published research presents a new scenario to explain why some methane-filled lakes on Saturn's moon Titan are surrounded by steep rims that reach hundreds of feet high.

[Author: Keith Cowing] [Category: Saturn, Titan, Titan]

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[l] at 9/9/19 11:43am

The wildfires that have been devastating the Amazon rainforest have been international headline news over the last weeks.

[Author: Keith Cowing] [Category: Earth, Fires, Amazon fires Seen From Space]

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[l] at 9/8/19 5:41pm

While flying about 260 miles above the border between northeastern China and southeastern Russia, an uncrewed Russian Soyuz spacecraft undocked and departed from the International Space Station at 2:14 p.m. EDT.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60, Expedition 61]

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[l] at 9/5/19 11:48pm

On Sept. 4, 2019, a loose chain of tropical cyclones lined up across the Western Hemisphere.

[Author: Keith Cowing] [Category: Earth, Hurricanes, Four Tropical Cyclones]

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[l] at 9/5/19 11:48pm

Astronomers have discovered a planet three times the mass of Jupiter that travels on a long, egg-shaped path around its star.

[Author: Keith Cowing] [Category: Extrasolar Planets, Exoplanet]

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[l] at 9/5/19 11:48pm

A key tracer used to estimate how much atmosphere Mars lost can change depending on the time of day and the surface temperature on the Red Planet, according to new observations by NASA-funded scientists.

[Author: Keith Cowing] [Category: Mars, Mars]

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[l] at 9/5/19 11:17pm

Located in the northern constellation of Ursa Major, which also includes the Big Dipper, nearby galaxy Messier 81 is easily visible through binoculars or a small telescope. M81 is located at a distance of 12 million light-years.

[Author: Keith Cowing] [Category: Astronomy, Galaxies, M-81]

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[l] at 9/5/19 3:14pm

As cosmonaut Oleg Skripochka, NASA astronaut Jessica Meir and spaceflight participant Hazzaa Ali Almansoori ready for their Sept. 25 launch aboard a Soyuz MS-15 spacecraft, tomorrow they will pause in their mission preparations for the ceremonial laying of the flowers at the Kremlin Wall.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 9/5/19 3:14pm

After a quiet, off-duty day for the crew of Expedition 60 on Labor Day, operations supporting science for long-duration human space exploration and upcoming spaceship movements ramped up on the International Space Station.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 9/4/19 10:51pm

Expedition 60 flight engineer Christina Koch of NASA captured this image of Hurricane Dorian from the International Space Station on Sept. 2, 2019 as the storm churned over the northwestern Bahamas.

[Author: Keith Cowing] [Category: OnOrbit, Hurricane Dorian]

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[l] at 9/4/19 10:51pm

A new view of Hurricane Dorian shows the layers of the storm, as seen by an experimental NASA weather satellite that's the size of a cereal box.

[Author: Keith Cowing] [Category: Earth, Hurricane Dorian]

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[l] at 9/4/19 10:51pm

While many NASA missions are tracking Hurricane Dorian as the storm makes its way toward the United States, some researchers are looking at what Dorian has already left behind.

[Author: Keith Cowing] [Category: Earth, Hurricanes, Hurricane]

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[l] at 9/4/19 10:51pm

Pops of bright blue and green in this image of the Fireworks galaxy (NGC 6946) show the locations of extremely bright sources of X-ray light captured by NASA's NuSTAR space observatory.

[Author: Keith Cowing] [Category: Astronomy]

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[l] at 9/3/19 9:11pm

Astronaut Nick Hague, aboard the International Space Station, posted this photograph of Hurricane Dorian to Twitter on Sept. 2, 2019. He added, "You can feel the power of the storm when you stare into its eye from above. Stay safe everyone!" Larger image

[Author: Keith Cowing] [Category: OnOrbit, Hurricane Dorian's Eye]

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[l] at 9/3/19 9:11pm

NASA's IMERG storm-total rain accumulation over parts of Grand Bahama and Abaco islands have exceeded 24 inches according to NASA satellite-based estimates.

[Author: Keith Cowing] [Category: Earth, Hurricanes, Dorian]

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[l] at 9/3/19 9:11pm

This Copernicus Sentinel-3 image features Hurricane Dorian as it pummels the Bahamas on 2 September 2019 at 15:16 GMT (11:16 EDT).

[Author: Keith Cowing] [Category: Earth, Hurricanes, Dorian]

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[l] at 9/3/19 8:21pm

NASA has selected three proposals for concept studies of missions that could help us better understand the dynamic space weather system driven by the Sun that manifests near Earth.

[Author: Keith Cowing] [Category: Space Weather, Space Weather]

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[l] at 9/3/19 11:02am

Human research kept the Expedition 60 crew busy today helping NASA and its partners understand how to keep astronauts healthy on long-term space missions.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 9/3/19 11:02am

The Expedition 60 crew focused on a variety of biomedical research and life science activities aboard the International Space Station today. The astronauts are still cleaning up after last week's spacewalk while preparing for an upcoming Japanese cargo mission.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/29/19 10:14pm

The Geostationary Operational Environmental Satellite 16 (GOES-16) acquired data for this composite image of Hurricane Dorian at 11 a.m. Atlantic Standard Time (15:00 Universal Time) on August 29, 2019.

[Author: Keith Cowing] [Category: OnOrbit, Hurricane Dorian]

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[l] at 8/29/19 10:14pm

Jupiter's moon Io is the most volcanically active body in our solar system. Today, there are indications that an active moon outside our solar system, an exo-Io, could be hidden at the exoplanet system WASP-49b.

[Author: Keith Cowing] [Category: Exoplanets, Volcanic Exomoon]

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[l] at 8/29/19 10:14pm

Hurricane Dorian is packing heavy rain as it moves toward the Bahamas as predicted by NOAA's NHC or National Hurricane Center. NASA analyzed the storm and found heavy rainfall in the storm.

[Author: Keith Cowing] [Category: Earth, Hurricanes, Hurricane]

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[l] at 8/29/19 2:42pm

The Expedition 60 crew is back on track with ongoing space research today after coordinating a flurry of space traffic at the International Space Station. The astronauts are also continuing to clean up after last week's spacewalk.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/28/19 11:40pm

NASA's Terra satellite passed over the northwestern Atlantic Ocean as Dorian reached hurricane status during the afternoon of August 28, 2019.

[Author: Keith Cowing] [Category: OnOrbit, Hurricane Dorian]

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[l] at 8/28/19 11:40pm

NASA's Ecosystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) captured imagery of fires in the Amazon regions of Brazil and Bolivia on Aug. 23, 2019.

[Author: Keith Cowing] [Category: Earth, Fires, Fires]

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[l] at 8/28/19 10:06pm

Engineers attached NASA's Mars Helicopter, which will be the first aircraft to fly on another planet, to the belly of the Mars 2020 rover today in the High Bay 1 clean room at the Jet Propulsion Laboratory in Pasadena, California.

[Author: Keith Cowing] [Category: Mars, Mars Helicopter]

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[l] at 8/28/19 10:06pm

Reaching a major milestone, engineers have successfully connected the two halves of NASA's James Webb Space Telescope for the first time at Northrop Grumman's facilities in Redondo Beach, California.

[Author: Keith Cowing] [Category: Astronomy, James Webb Space Telescope]

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[l] at 8/28/19 7:38pm

SpaceX's Dragon cargo spacecraft splashed down in the Pacific Ocean at 4:21 p.m. EDT (1:21 p.m PDT), approximately 300 miles southwest of Long Beach, California, marking the end of the company's 18th contracted cargo resupply mission to the International Space Station for NASA.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/28/19 7:56am

While the spacecraft were flying about 250 miles above Eastern Mongolia, an uncrewed Russian Soyuz spacecraft arrived and docked to the International Space Station at 11:08 p.m. EDT.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/27/19 1:39pm

The SpaceX Dragon resupply ship is pictured attached to the International Space Station's Harmony module as the orbital complex flew 260 miles above the Nile River Delta in Egypt.

[Author: Keith Cowing] [Category: OnOrbit, Dragon, ISS]

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[l] at 8/27/19 1:39pm

On August 17, 2017, scientists made history with the first direct observation of a merger between two neutron stars.

[Author: Keith Cowing] [Category: Astronomy, GRB160821B]

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[l] at 8/27/19 1:39pm

An atomic clock that could pave the way for autonomous deep space travel was successfully activated last week and is ready to begin its year-long tech demo, the mission team confirmed on Friday, Aug. 23, 2019.

[Author: Keith Cowing] [Category: NASA Hack Space, Deep Space Atomic Clock]

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[l] at 8/27/19 1:39pm

Thousands of fires have broken out in the Amazon rainforest.

[Author: Keith Cowing] [Category: Earth, Fires, Fires Ravage The Amazon]

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[l] at 8/27/19 1:39pm

Captured by the Copernicus Sentinel-2 mission on 21 August 2019, this image features a huge raft of pumice rock drifting in the Pacific Ocean. The pumice is believed to have come from an underwater volcano near Tonga, which erupted on 7 August.

[Author: Keith Cowing] [Category: Earth, Volcanoes, Pumice Raft]

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[l] at 8/26/19 11:36am

Thirty years ago, on Aug. 25, 1989, NASA's Voyager 2 spacecraft made a close flyby of Neptune, giving humanity its first close-up of our solar system's eighth planet.

[Author: Keith Cowing] [Category: Neptune, Neptune]

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[l] at 8/26/19 10:47am

Knowledge is power and NASA has just invested $19 million into the Arecibo Observatory in Puerto Rico to gain a lot of knowledge about asteroids.

[Author: Keith Cowing] [Category: Asteroids, Arecibo Observatory]

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[l] at 8/26/19 10:47am

New data from NASA's Atmospheric Infrared Sounder (AIRS) instrument, aboard the Aqua satellite, shows the movement high in the atmosphere of carbon monoxide associated with fires in the Amazon region of Brazil.

[Author: Keith Cowing] [Category: Earth, Fires, Amazon]

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[l] at 8/26/19 10:47am

This week, scientists from NASA's upcoming Mars 2020 mission joined their counterparts from the joint European-Russian ExoMars mission in an expedition to the Australian Outback, one of the most remote, arid regions on the planet

[Author: Keith Cowing] [Category: Mars, Outback As A Testbed for Mars]

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[l] at 8/26/19 10:47am

The full suite of scientific instruments, including cameras that will give us our eyes on Mars, the drill that will retrieve pristine soil samples from below the surface, and the onboard laboratory that will seek out signs of life are all installed on the ExoMars rover.

[Author: Keith Cowing] [Category: Mars, Franklin's PanCam]

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[l] at 8/25/19 1:49pm

A new parking spot for future flights to the International Space Station, the sixth meeting of the National Space Council, and work in Ohio on our Moon to Mars effort ... a few of the stories to tell you about - This Week at NASA.

[Author: Marc Boucher] [Category: NASA, This Week at NASA]

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[l] at 8/25/19 12:49pm

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/25/19 12:49pm

Russia's uncrewed Soyuz MS-14 spacecraft is on its way to the International Space Station following its launch just a few hours after Wednesday's spacewalk. The Expedition 60 crew is back on a full science schedule today and preparing to send a U.S. cargo craft back to Earth.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/25/19 12:49pm

NASA astronauts Nick Hague and Andrew Morgan concluded today's spacewalk at 2:59 p.m. EDT. During the six-hour and 32-minute spacewalk, the two astronauts successfully installed the second of two international docking adapters (IDAs).

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/25/19 12:49pm

NASA astronauts Nick Hague and Andrew Morgan, assigned as flight engineers for Expedition 60 aboard the International Space Station, will begin a planned six-and-a-half-hour spacewalk from inside the Quest airlock about 8:20 a.m. Wednesday, Aug. 21.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/25/19 12:49pm

Robotics controllers are preparing a new commercial crew docking port for installation during a spacewalk on Wednesday. Meanwhile, the Expedition 60 crew is researching life science and physics while packing a cargo ship for return to Earth next week.

[Author: Marc Boucher] [Category: International Space Station, Expedition 60]

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[l] at 8/22/19 10:21pm

Storm clouds rooted deep in Jupiter's atmosphere are affecting the planet's white zones and colorful belts, creating disturbances in their flow and even changing their color.

[Author: Keith Cowing] [Category: Jupiter, Jupiter]

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[l] at 8/22/19 10:21pm

A new Northwestern University study discovered that spaceflight -- both aboard a space shuttle or the International Space Station (ISS) -- has a consistent effect on the gut microbiome.

[Author: Keith Cowing] [Category: Space Medicine, Microbiome]

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[l] at 8/22/19 10:21pm

New images taken by a lander on the surface of the near-Earth asteroid Ryugu have yielded clues into the composition and origins of its rocks, which bear strong similarities to primitive meteorites called carbonaceous chondrites.

[Author: Keith Cowing] [Category: Asteroids, Ryugu]

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[l] at 8/22/19 10:21pm

This natural-color image of smoke and fires in several states within Brazil including Amazonas, Mato Grosso, and Rondônia was collected by NOAA/NASA's Suomi NPP using the VIIRS (Visible Infrared Imaging Radiometer Suite) instrument on August 20, 2019.

[Author: Keith Cowing] [Category: Earth, Fires, Brazil]

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[l] at 8/21/19 12:00pm

How would you design a system to detect, map and explore caves on the Moon? Our latest hunt for ideas is seeking novel initiatives that address this question.

[Author: Keith Cowing] [Category: Moon, Moon]

As of 9/15/19 9:29am. Last new 9/12/19 10:37pm.

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