Rosetta at Comet

September 4, 2014

NASA Instrument on Rosetta: First Science Results

A NASA instrument aboard the European Space Agency's Rosetta orbiter has successfully made its first delivery of science data from comet 67P/Churyumov-Gerasimenko.

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Artist's rendering of NASA's ISS-RapidScat instrument

September 4, 2014

NASA Briefing: Space Station Earth Observations

NASA opens a new era this month in exploration of our home planet with the launch of the first in a series of Earth science instruments to the International Space Station.

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Asteroid 2014 Earth Flyby

September 3, 2014

Small Asteroid to Safely Pass Close to Earth Sunday

A house-sized asteroid will safely fly past Earth this Sunday, Sept. 7. The asteroid, 2014 RC, is about 60 feet (20 meters) wide.

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Titan's Subsurface Reservoirs

September 3, 2014

Icy Aquifers on Titan Transform Methane Rainfall

A new study suggests that the chemistry of methane rainfall on Saturn's moon Titan might change inside hydrocarbon "aquifers."

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NASA's C-20A Earth science research aircraft with the UAVSAR

August 29, 2014

NASA Radar System Surveys Napa Valley Quake Area

A JPL-developed airborne radar system is conducting an airborne survey of earthquake fault displacements caused by the Aug. 24 magnitude 6.0 quake in Napa Valley, California.

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Opportunity's Rear-Facing View Ahead After a Drive

August 29, 2014

Memory Reformat Planned for Opportunity Mars Rover

An increasing frequency of computer resets on NASA's Mars Exploration Rover Opportunity has prompted the rover team to make plans to reformat the rover's flash memory.

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Building Planets Through Collisions

August 28, 2014

NASA's Spitzer Telescope Witnesses Asteroid Smashup

NASA's Spitzer Space Telescope has spotted an eruption of dust around a young star, possibly the result of a smashup between large asteroids.

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A Cauldron of Star Birth in the Center of a Young Galaxy

August 27, 2014

NASA Telescopes Uncover Early Construction of Giant Galaxy

Astronomers have for the first time caught a glimpse of the earliest stages of massive galaxy construction.

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Four Rosetta Candidate Landing Sites

August 25, 2014

Rosetta: Landing Site Search Narrows

The European Space Agency's Rosetta mission has chosen five candidate landing sites on comet 67P/Churyumov-Gerasimenko for its Philae lander.

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Members of the Voyager science team

August 25, 2014

25 Years After Neptune: Reflections on Voyager

Members of the Voyager team reflect on the mission's Neptune encounter, 25 years later.

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