
Webb reveals a planetary nebula with phenomenal clarity, and it is spectacular
The colors show the star’s final breath transforming into the raw ingredients for new worlds. ...
197 premium articles in this collection

The colors show the star’s final breath transforming into the raw ingredients for new worlds. ...

"We have a very strong incentive to send a crew as quickly as we can safely do so." ...

After a remarkably smooth launch campaign, Artemis II reached its last stop before the Moon. ...

Ars checks in with the new president of the Giant Magellan Telescope. ...

"We are fundamentally shifting our approach to securing our munitions supply chain." ...
"I’ve got one job, and it’s the safe return of Reid, Victor, Christina, and Jeremy." ...

"It comes up almost every time that I see him. Continuous human presence and no gap." ...

This is the first time NASA has called an early end to a space mission for medical reasons. ...

"We can't keep everyone living on that first ship that sailed to North America." ...
For decades, space stations have been largely staffed by professional astronauts and operated by a handful of nations. But that’s about to change in the coming years, as companies including Axiom Spac...

"It was not recognized how serious a problem that is until... about 2017 or 2018." ...

SpaceX opened its 2026 launch campaign with a mission for the Italian government. ...