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This image provided by NASA-TV shows the SpaceX Dragon commercial cargo craft after Dragon was grappled by the Canadarm2 robotic arm and...

A halo forms around the top of the SpaceX Falcon 9 test rocket CAPE CANAVERAL, Fla. (AP) -- For the first time, a private company will ...

 Super-Earth” Planet Light glowing from a "super-Earth" planet beyond our solar system has been detected by Nasa’s Spitzer Tele...

Biggest Full Moon If the full moon looks a bit bigger and brighter in tonight’s sky, you’re not seeing things: It’s just the “supermoon” ...

James Cameron emerges from his sub after returning from Challenger Deep At noon, local time (10 p.m. ET), James Cameron's "vert...

Largest solar flares of this solar cycle in this NASA photo taken on March 6, 2012 (Reuters) - A strong geomagnetic storm is racing from...

A View of Solar Storm on the surface of blazing Sun WASHINGTON -- The sun is bombarding Earth with radiation from the biggest solar stor...

Comet to Sun WASHINGTON (AP) — A small comet survived what astronomers figured would be a sure death when it danced uncomfortably close t...

Solar Storm The moon gets periodically "sandblasted" by intense solar storms that can strip tons of material from the lunar sur...

Video, Reuters (Reuters) - An unmanned Atlas 5 rocket blasted off from Florida on Saturday, launching a $2.5 billion nuclear-powered NAS...