The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

The Hubble Space Telescope has captured an amazing view of galaxies LEDA 48062 and UGC 8603. Credit: ESA/Hubble & NASA, R.

The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme objects could be invisible unless observed in infrared wavelengths, James ...

Interstellar visitor 3I/ATLAS, a comet from beyond our solar system, has captivated scientists and the public alike. NASA has ...

NASHVILLE, Tenn. (AP) — Tennessee’s governor pardoned country star Jelly Roll on Thursday for his criminal past in the state, ...

This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope when it’s around 170 million miles from our home planet ...

On Friday, 3I/ATLAS will be closer to Earth than ever before and afterward – yet the distance will still be 270 million ...

In the cold dark of the constellation Ophiuchus, a faint, wraithlike shell of gas is quietly advertising the fate that awaits ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

Wondering what 3I ATLAS is all about? Here's what to know as interstellar comet 3I/ATLAS nears Earth this week, when to watch ...