More than half of the sources above 10 GeV are black-hole-powered active galaxies. More than a third of the sources…
Cheryl McNair visited students of the Ronald McNair Academy in East Palo Alto, Calif. The middle school was named after…
NASA's Mars Rover Opportunity catches its own late-afternoon shadow in this dramatically lit view eastward across Endeavour Crater on Mars.…
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…
