
Comparative sizes of planets discovered by Kepler

CAPE CANAVERAL, Fla. – NASA Administrator Charles Bolden addresses media representatives at NASA's Kennedy Space Center in Florida on May…

NASA's DC-8 Airborne Science laboratory is seen during a checkout flight over California's Mojave Desert in May 2012. The aircraft…

The SpaceX Falcon 9 rocket soared into space from Space Launch Complex-40 on Cape Canaveral Air Force Station in Florida,…

Aurora Australis, accompanied by star streaks and air glow, is pictured in this view recorded by one of the Expedition…

KSC-2012-2897 (22 May 2012) -- The SpaceX Falcon 9 rocket soars into space from Space Launch Complex-40 on Cape Canaveral…

Spectacular images from the Hinode spacecraft show the solar eclipse, which darkened the sky in parts of the Western United…

Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a…

This raw, unprocessed image was taken by NASA's Cassini spacecraft on May 20, 2012. The camera was pointing toward Tethys…

The artist's concept depicts a comet-like tail of a possible disintegrating super Mercury-size planet candidate as it transits its parent…