
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…

APOD Science APOD APOD: 2012 May 24 – All the… Today’s APOD Archive Submissions Index Search Calendar RSS Education About…

NASA's Mars Rover Opportunity catches its own late-afternoon shadow in this dramatically lit view eastward across Endeavour Crater on Mars.…
APOD Science APOD APOD: 2012 May 23 – SpaceX… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

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…