The discovery of CDG-2 began when a team of astronomers investigated tight groupings of stars called globular clusters, which ...

The universe is overrun with dark matter, outweighing the ordinary stuff that stars and planets are made of five-to-one. But ...

Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020. Credit: NASA, ESA, STScI Acknowledgments: NSF's NOIRLab, Akira Fujii , Jeff ...

These spectacular images of the Cat's Eye Nebula were created using observations from the Hubble and Euclid space telescopes.

The Hubble Space Telescope has been orbiting Earth for over 35 years now. Billions of miles away, floating above our heads, it has completely changed .

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery. Many years ago, scientists saw a dense, bright spot near a ...

The Hubble Telescope appears as a tiny silhouette during a perfectly timed solar transit captured from Puerto Rico. When you purchase through links on our site, we may earn an affiliate commission.

The Hubble Space Telescope is once again giving us a glimpse of something that is thousands of light-years away from the Earth. NASA shared images of the Egg Nebula as the star inside it is dying. The ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...