A spectacular new view of two dwarf galaxies caught in the middle of a cosmic collision reveals a glowing gas bridge, streams ...

Galaxies like our Milky Way grew through cascading mergers of smaller galaxies that began billions of years ago. The ancient ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

In a groundbreaking discovery, astronomers have successfully discovered 53 new quasars powered by supermassive black holes ...

Disney’s Star Wars offerings have been choppy ever since George Lucas bowed out near the beginning of the last decade and the ...

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

It’s December, and we’re in our darkest month. It is also now meteorological winter — the name given to the coldest three ...

Interstellar comet 3I/ATLAS, only the third ever seen, returns with unique composition; experts eye 19 December 2025 as a ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

Dusty stars close to the Milky Way’s black hole stay stable for years. New infrared data shows they survive gravity and ...

I Tested 3 Top Camera Phones in Dazzling Las Vegas. I'm Glad I Didn't Bet on the Results ...