A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

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

Starlink satellites orbit approximately 342 miles (550 kilometers) above Earth and put on a spectacular show for observers as ...

NEW YORK, June 26: Since its launch in 2021, the James Webb Space Telescope (JWST) has not only provided extensive insights ...

The updates are meant to highlight the program’s legacy with features to several key moments while looking toward the future.

"This is a unique opportunity to learn how the universe's first light emerged from the darkness." ...

Astronomy fans can zoom in practically forever into the stunning first images from the Vera C. Rubin Observatory ...

These are the first public images collected by the Chile-based observatory, which will begin a decade-long survey of the southern sky later this year.