X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

It was supposed to be a routine, reliable resupply mission to the International Space Station, the fifth successful launch ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

A NASA rover that launched from Florida detected electrical sparks igniting within small dusty tornadoes whirling on Mars' ...

Damage to the Russian-operated Baikonur Cosmodrome rocket launchpad in Kazakhstan has taken the site out of commission, ...

Live updates from the Starlink 6-92 mission, which launched 5:26 p.m. Dec. 8 from Pad 39A at NASA's Kennedy Space Center.

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...