NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

An ominous-looking nebula named NGC 246 lurks in the constellation Cetus about 1,600 light-years away from Earth. It is ...

CAPE CANAVERAL, Fla. (AP) — A cluster of space weather satellites blasted off Wednesday morning to cast fresh eyes on solar storms that can produce stunning auroras but also scramble communications ...

Developers say space-based solar will be cost-competitive with utility-scale PV. A new documentary showcases a Caltech team’s ...

The risk of a cosmic body striking Earth—or exploding in the sky—may be higher in 2032 and 2036, researchers have cautioned.