Using NASA's Kepler Space Telescope, astronomers have discovered the first Earth-size planet orbiting a star in the "habitable zone"
Pivoting planets that lean one way and then change orientation within a short geological time period might be surprisingly habitable
Life took root more than four billion years ago on our nascent Earth, a wetter and harsher place than now, bathed in sizzling ultraviolet rays.
Wonder what the lunar eclipse of 4/15/2014 would have looked like if you were standing on the surface of the moon?
The United States was in a prime orbital position and time of day to view the eclipse on April 15, 2014.
Stay up late for a lunar treat Monday night and watch the moon turn red.
International Space Station Program officials, the international partners and representatives of SpaceX agreed Sunday to proceed with Monday’s scheduled launch
NASA is making available to the public, at no cost, more than 1,000 codes with its release on Thursday, April 10 of a new online software catalog.
A mid-level flare, an M6.5, erupted from the sun on April 2, 2014, peaking at 10:05 a.m. EDT.
A new study of gamma-ray light from the center of our galaxy makes the strongest case to date that some of this emission may arise from dark matter
NASA has suspended contact with Russian government representatives, citing ongoing violations of Ukraine's sovereignty and territorial integrity
The sun emitted a significant solar flare, peaking at 1:48 p.m. EDT March 29, 2014, and NASA's Solar Dynamics Observatory captured images of the event.
Arctic sea ice has been in sharp decline during the last four decades. The sea ice cover is shrinking and thinning...
Legislators on Thursday grilled NASA's top official about the possible impact of the Crimea crisis and criticized proposed missions to capture a near-Earth asteroid
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