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Cassini Celebrates 10 Years Since Jupiter Encounter

Ten years ago, on Dec. 30, 2000, NASA's Cassini spacecraft made its closest approach to Jupiter on its way to orbiting Saturn. The main purpose was to use the gravity of the largest planet in our solar system to slingshot Cassini towards Saturn, its ultimate destination. But the encounter with Jupiter,...
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GOES-13 Satellite Captures Powerful Snowmaker Leaving New England

Snows are finally winding down in New England today, Dec. 27, as a powerful low pressure system brought blizzard conditions from northern New Jersey to Maine over Christmas weekend. The GOES-13 satellite captured an image of the low's center off the Massachusetts coast and saw the snowfall left behind.The...
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Mars Movie - I'm Dreaming of a Blue Sunset

A new Mars movie clip gives us a rover's-eye view of a bluish Martian sunset, while another clip shows the silhouette of the moon Phobos passing in front of the sun.America's Mars Exploration Rover Opportunity, carefully guided by researchers with an artistic sense, has recorded images used in the simulated...
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Apollo 8: Christmas at the Moon

Christmas Eve, 1968. As one of the most turbulent, tragic years in American history drew to a close, millions around the world were watching and listening as the Apollo 8 astronauts -- Frank Borman, Jim Lovell and Bill Anders -- became the first humans to orbit another world.As their command module...
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Cassini Takes Close-Up of Enceladus Northern Hemisphere

NASA's Cassini spacecraft will be making its close flyby of the northern hemisphere of Saturn's moon Enceladus today, Monday, Dec. 20. The closest approach will take place at 5:08 PM PST (8:08 EST) on Dec. 20, or 1:08 AM UTC on Dec. 21. The spacecraft will zip by at an altitude of about 48 kilometers...
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NASA's LRO Creating Unprecedented Topographic Map of Moon

NASA's Lunar Reconnaissance Orbiter is allowing researchers to create the most precise and complete map to date of the moon's complex, heavily cratered landscape."This dataset is being used to make digital elevation and terrain maps that will be a fundamental reference for future scientific and human...
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THIS YEAR @NASA 2010

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Unstable Antarctica: What's Driving Ice Loss?

Scientists have previously shown that West Antarctica is losing ice, but how that ice is lost remained unclear. Now, using data from Earth observing satellites and airborne science missions, scientists are closing in on ice loss culprits above and below the ice.The findings, presented Dec. 15 at the...
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Cassini Spots Potential Ice Volcano on Saturn Moon

NASA's Cassini spacecraft has found possible ice volcanoes on Saturn's moon Titan that are similar in shape to those on Earth that spew molten rock.Topography and surface composition data have enabled scientists to make the best case yet in the outer solar system for an Earth-like volcano landform that...
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NASA Probe Sees Solar Wind Decline

The 33-year odyssey of NASA's Voyager 1 spacecraft has reached a distant point at the edge of our solar system where there is no outward motion of solar wind.Now hurtling toward interstellar space some 17.4 billion kilometers (10.8 billion miles) from the sun, Voyager 1 has crossed into an area where...
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'Greener' Climate Prediction Shows Plants Slow Warming

A new NASA computer modeling effort has found that additional growth of plants and trees in a world with doubled atmospheric carbon dioxide levels would create a new negative feedback – a cooling effect – in the Earth's climate system that could work to reduce future global warming.The cooling effect...
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So you Think you can Solve a Cosmology Puzzle?

Cosmologists have come up with a new way to solve their problems. They are inviting scientists, including those from totally unrelated fields, to participate in a grand competition. The idea is to spur outside interest in one of cosmology's trickiest problems -- measuring the invisible dark matter and...
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NASA | Blacker Than Black

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NASA Examines New Forms of Life

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NASA Aids in Characterizing Super-Earth Atmosphere

A team of astronomers, including two NASA Sagan Fellows, has made the first characterizations of a super-Earth's atmosphere, by using a ground-based telescope. A super-Earth is a planet up to three times the size of Earth and weighing up to 10 times as much. The findings, reported in the Dec. 2 issue...
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Thin Air - Cassini Finds Ethereal Atmosphere at Rhea

NASA's Cassini spacecraft has detected a very tenuous atmosphere known as an exosphere, infused with oxygen and carbon dioxide around Saturn's icy moon Rhea. This is the first time a spacecraft has directly captured molecules of an oxygen atmosphere – albeit a very thin one -- at a world other than...
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Cassini Back to Normal, Ready for Enceladus

Cassini Mission StatusNASA's Cassini spacecraft resumed normal operations today, Nov. 24. All science instruments have been turned back on, the spacecraft is properly configured and Cassini is in good health. Mission managers expect to get a full stream of data during next week's flyby of the Saturnian...
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Scientists Chosen to Help on Venus Climate Orbiter

NASA has established a Venus Climate Orbiter Participating Scientist Program to complement scientific return of the Japan Aerospace Exploration Agency (JAXA)-led Venus Climate Orbiter, or "Akatsuki" mission. The Participating Scientist Program will fund two scientists in residence to live in Japan and...
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Animation of Supernova Producing a Black Hole

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Sunspot 1123 Hurls Filament toward Earth

UPDATE: Coronagraph images from the Solar and Heliospheric Observatory (SOHO) and NASA's twin STEREO spacecraft show a faint coronal mass ejection emerging from the blast site and heading off in a direction just south of the sun-Earth line.The cloud could deliver a glancing blow to Earth's magnetic...
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Detailed Dark Matter Map Yields Clues to Galaxy Cluster Growth

Astronomers using NASA's Hubble Space Telescope took advantage of a giant cosmic magnifying glass to create one of the sharpest and most detailed maps of dark matter in the universe. Dark matter is an invisible and unknown substance that makes up the bulk of the universe's mass.The new dark matter observations...
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Silica on a Mars Volcano Tells of Wet and Cozy Past

PASADENA, Calif. -- Light-colored mounds of a mineral deposited on a volcanic cone more than three billion years ago may preserve evidence of one of the most recent habitable microenvironments on Mars.Observations by NASA's Mars Reconnaissance Orbiter enabled researchers to identify the mineral as hydrated...
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NASA's Aqua Satellite Catches a Plume from One of Russia's Most Active Volcanoes

NASA's Aqua satellite flew over the erupting Shiveluch Volcano in Russia today and captured a visible image of its ash plume. Shiveluch is one of Russia's most active volcano and is currently spewing ash over 6 miles high (10 kilometers) into the atmosphere. That's about 33,000 feet high and just shy...
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First Science Flight of Antarctic Campaign

IceBridge teams took off today for the first science flight of the Antarctic 2010 campaign. Science teams flew across the Weddell Sea with the primary goal of measuring sea ice freeboard (the height of ice above the water level), which is used to estimate sea ice thickness. The DC-8 took off from Punta...
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Five Things About NASA's EPOXI Mission

Here are five quick facts about the EPOXI mission, scheduled to fly by comet Hartley 2 on Nov. 4, 2010.1. High Fives - This is the fifth time humans will see a comet close-up, and the Deep Impact spacecraft flew by Earth for its fifth time on Sunday, June 27, 2010.2. Eco-friendly Spacecraft: Recycle,...
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