Calls for the US to land astronauts back on the moon before China have been increasingly loud and frequent. But it all hinges ...

The case for a newborn ocean on Saturn's moon Mimas continues to build.

Starship — the biggest and most powerful rocket ever built — thundered into the evening sky from the southern tip of Texas.

SpaceX's massive Starship rocket soared through Texas's golden-hour skies Monday before splashing down successfully, as the ...

Monday’s flight featured a successful deployment of simulated Starlink satellites. SpaceX will now move on to testing a more ...

SpaceX’s luck appears to be turning, but NASA’s moon race is a looming concern. Here are six takeaways from Starship Flight 11.

Starship — the biggest and most powerful rocket ever built — thundered into the evening sky from the southern tip of Texas.

Firefly Aerospace will relaunch its Alpha rocket after fixing issues from April’s failure, with new safeguards and an FAA ...

Evidence points to a long-lost ocean beneath Ariel’s icy crust. Tides and orbit shifts may have cracked its surface billions of years ago. Growing evidence indicates that a deep ocean may lie hidden ...

On October 6, we had a full moon that was referred to as the Hunter’s Moon or the Blood Moon. The many stages of the moon have always fascinated me. Perhaps this is because I spent many nights sitting ...