A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...

Senate rules require removing a plan to charge feeds on new migrants seeking asylum in the U.S. and relocating Space Shuttle ...

Powered by the largest digital camera ever built, Rubin Observatory has taken its first images—millions of stars and galaxies ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

The observatory is located high in the Chilean mountains, an area optimal for astronomical observation thanks to its dry air and dark skies. But the operation’s crown jewel is its camera, which was ...

A late move to transfer the space shuttle Discovery from Virginia to Houston was blocked, at least for now, on a Senate ...

The star of stage and screen, who passed away this week, gave the 'Star Trek' show one of its early breakout episodes.

How did our species live in ancient times? That’s the question archeologists are attempting to answer as they dig up relics and make momentous discoveries. Still, some finds are bigger than others.

Finding what’s out there Space Week is Oct. 4-10, so here are some of NASA’s latest discoveries and why Edwin Hubble’s history-making photo, taken on this day in 1923, revolutionized astronomy.