The sun emitted its sixth significant flare since Oct. 23, 2013, peaking at 11:26 p.m. EST on Nov. 7, 2013.
A rare, recently discovered microbe that survives on very little to eat has been found in two places on Earth: spacecraft clean rooms in Florida and South America.
A strange, donut-shaped UFO suddenly appeared, then just as suddenly disappeared five minutes later
The sun emitted a significant solar flare, peaking at 5:12 p.m. EST on Nov. 5, 2013.
Scientists from around the world are gathered this week at NASA's Ames Research Center in Moffett Field, Calif., for the second Kepler Science Conference
A bee and a jumbo jet: common sense would tell you that the tiny insect couldn't possibly cause any troubles for the massive airplane, right?
A witch appears to be screaming out into space in this new image from NASA's Wide-Field Infrared Survey Explorer, or WISE.
The sun has emitted many coronal mass ejections in the week leading up to Oct. 31, 2013, which merged together over time to pass Mars.
In the early morning hours of Oct. 18, NASA’s Lunar Laser Communication Demonstration (LLCD) made history
After emitting its first significant solar flares since June 2013 earlier in the week, the sun continued to produce mid-level and significant solar flares
Scott Carpenter was one of the icons of NASA's early efforts to explore the new frontier of space.
NASA's Hubble, Spitzer and Chandra space telescopes are teaming up to look deeper into the universe than ever before.
NASA's Cassini spacecraft has obtained new pictures of the liquid methane and ethane seas and lakes that reside near Titan's north pole.
A magnetic filament of solar material erupted on the sun in late September, breaking the quiet conditions in a spectacular fashion.
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