In the silent, freezing expanse of interstellar space, a small spacecraft launched in the era of disco and analog tape has ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Physicists call it “ dark matter, ” a substance they describe as the cosmic glue, the scaffolding, a web that uses gravity to ...

Astronomers have spotted a bizarre cosmic explosion that refuses to play by the rules—and it’s leaving scientists scrambling for answers. GRB 250702B, detected by NASA’s James Webb Space Telescope and ...

Astronomers have spotted the most distant and brightest "space laser" ever seen, blasting out from a distant galaxy collision ...

NASA is poised to launch four astronauts April 1 on a historic nine-day trip around the moon and back. Here's everything to ...

Ahead of the launch of the historic Artemis II mission around the moon, here's everything you need to know.

NASA plans to launch four astronauts on a 10-day trip around the moon as early as Wednesday. Here's what to know about the ...

Here's a thought experiment. Imagine looking at Earth from a distant star system, armed with a powerful telescope capable of ...

NASA's Artemis II mission is expected to last about 10 days, sending four astronauts on a high-speed journey around the moon ...

Here's how NASA plans to send four astronauts on a trip around the moon, the first time that anyone would travel this far from Earth since the end of the Apollo program in 1972.

The Artemis II astronauts will soon launch on the first crewed mission to the moon in more than 50 years. During this trip, ...