Veteran NASA astronaut Suni Williams announced her retirement Tuesday. Her extended mission to orbit due to the troubled Boeing Starliner test flight was her final foray.

The U.S. is once again challenging itself to go to the moon, and this time, NASA and the Trump administration want to ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Live updates from SpaceX’s Sunday evening Starlink 6-100 mission that launched a Falcon 9 rocket from Cape Canaveral Space ...

NASA’s upcoming Artemis II flight will be the first crewed lunar mission in over 50 years, but it will not land on the moon.

Instead of remaining at the International Space Station (ISS) for the full duration of their mission, the four crew members ...

The Hubble Space Telescope has captured startling structures on interstellar comet 3I/ATLAS, narrow, sun-facing dust streams ...

A new study reveals a rare-breaking white dwarf star, dubbed RXJ0528+2838, that is somehow generating a rainbow-like "bow ...

The Crew-11 astronauts will be medically evacuated today from the International Space Station and land in California. How to ...

NASA and SpaceX will both provide livestreams as the Crew-11 astronauts depart the International Space Station today.

SpaceX, which is worth $800 billion, is eyeing an IPO that could come as soon as mid-2026 and reportedly plans to raise more than $30 billion at a valuation of as much as $1.5 trillion. That's many ...