Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

Webb reveals a bridge of stars linking two nearby dwarf galaxies, offering a look at how gravity reshapes galaxies and sparks ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old as time itself.

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

Cloud-9 entered the picture in 2023, when astronomers using the Five-hundred-meter Aperture Spherical Telescope (FAST) in ...

The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution ...

A wobbling jet from a giant, voracious black hole is suppressing star formation in a distant galaxy—and astronomers have ...

Astronomers have found a colossal spinning structure in space. Galaxies within this formation appear to spin together with a ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Astronomers have identified a massive cloud of water vapor surrounding a distant quasar, marking the largest single reservoir ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...