It's 99 percent dark matter, a new study explains.

A tight clump of four star clusters sits in the Perseus galaxy cluster, and at first glance it looks like nothing special. No bright spiral arms.

When you buy through links on our articles, Future and its syndication partners may earn a commission.

Scientists discovered a distant jellyfish galaxy with star-forming "tails" stretching back 8.5 billion years.

But new research has found the strongest candidate yet. The first author is Dayi (David) Li, a post-doctoral fellow in ...

A newly discovered galaxy with glowing star-filled "tentacles" is rewriting parts of cosmic history.

Lurking in the southwestern corner of Aquarius the Water-bearer, globular cluster M72 doesn't stand out. At magnitude 9.4, it ranks among the dimmest globulars Charles Messier included in his ...

Scientists using a trio of some of the world’s most powerful observatories, the Hubble Space Telescope, ESA’s Euclid, and the Subaru Telescope, have pulled back the curtain on a ghost galaxy that is ...

A restarted black hole in J1007+3540 reveals how episodic jet activity and cluster pressure sculpt giant radio galaxies. Astronomers have captured one of the clearest views yet of a black hole ...

Update June 23, 2025, 11:40 A.M. CDT: Additional images and videos showing our dynamic universe have now been released! What do photos from the largest digital camera ever built look like? Now we know ...