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

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

In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class of galaxies ...

The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could ...

The Hubble Space Telescope captures stunning imagery of barred spiral galaxy UGC 678. The galaxy is located about 260 million ...

See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...

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

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

Dark matter doesn’t emit, absorb, or reflect light. It’s invisible but supposedly makes up 85% of the universe’s mass.

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 ...

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening.