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

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.

Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently ...

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have uncovered the largest and most extended stream of ...

They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...