The James Webb Space Telescope has upended expectations again, revealing a massive spiral galaxy in the universe’s infancy ...

It’s invisible, deadly and sucking up every bit of matter in its path. The most massive black hole in the known Universe is ...

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

Astronomers have discovered 53 new supermassive black hole-powered quasars that are blasting out jets of matter at near light ...

Indian astronomers have identified a surprisingly mature, Milky Way-like galaxy from the universe’s early era. Named ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

A new study indicates the possibility of unexpected changes in the trajectory of comet 3I/ATLAS before its departure from the ...

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

A new study reports a massive ancient galaxy. It formed when the universe was very young. The universe today is 13.8 billion ...

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing ...

Skywatchers will have a lot to look at in the night skies over Alabama in December. A super moon, a meteor shower and a comet ...