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 ...

Using the Hubble Space Telescope, astronomers have discovered what seems to be a galaxy that is the most heavily dominated by dark matter ever seen.

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

NASA's Hubble Space Telescope is being lauded for capturing the clearest images to date of the Egg Nebula. Here's what we ...

What looks like a galactic dance is really a cosmic optical illusion—two galaxies, worlds apart, perfectly aligned by chance.

NASA released an image captured by the Hubble Space Telescope showing a galaxy under pressure. The image released by the space agency last week shows a galaxy located 52 million light years away, LEDA ...

The spiral galaxy NGC 3596 is on display in this NASA/ESA Hubble Space Telescope Picture of the Week, which incorporates six different wavelengths of light. ESA/Hubble & NASA, D. Thilker You might ...

This NASA/ESA Hubble Space Telescope image features a galaxy whose asymmetric appearance may be the result of a galactic tug of war. Located 35 million light-years away in the constellation Leo, the ...

Deep in the digital bedrock of 35 years of Hubble observation archives, a new AI tool has uncovered more than 800 previously undocumented cosmic anomalies in a scant two and a half days. Using a ...

This NASA/ESA Hubble Space Telescope image features an uncommon galaxy with a striking appearance. NGC 7722 is a lenticular galaxy located about 187 million light-years away in the constellation ...