Celestial objects known as dark dwarfs may be hiding at the center of our galaxy and could offer key clues to uncover the ...

Galaxies, including the Milky Way, grow from thick, turbulent disks into layered structures. JWST’s images show this process ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

This emission is strongest under conditions which are intermediate between those in the interior of nebula and those in the dense cloud.

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious event that could reveal the existence of a “rogue planet” drifting through ...

CAPE CANAVERAL, Fla. (AP) — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

KiDS J0842+0059, with a mass around 100 billion times that of the Sun, has remained frozen in time for centuries.