Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...

There are thousands of galaxies contained in this image, including a cluster that looks to us as it was when the universe was ...

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

Astronomers using NASA’s Hubble Space Telescope have uncovered the first direct evidence of a wandering supermassive black ...

The "afterglow" of the universe is an important piece of evidence for the Big Bang. This background radiation also provides ...

NASA's newest space telescope, on a mission to study origins of universe, snapped incredible images of the cosmos 2 months ...

Near the constellation Leo, JWST turned its gaze slightly aside. In the dim stars of Sextans, it spotted something ...

Scientists have found evidence for a cosmic collision in the Perseus cluster, a group of thousands of galaxies not far from ...

Researchers suggest powerful bursts from magnetars—collapsed stars with strong magnetic fields—may have contributed up to 10 ...

There’s a new class of cosmic object in town. And it might just overturn our understanding of black holes and galaxy ...

Scientists discovered one other curiosity between the relics: a faint glow at the center of the cluster. This could be a ...

One of the most famous and beautiful cosmic sights shows its colors in this new image from the Hubble Space Telescope. The Veil Nebula is the remnant of a massive star which exploded in a supernova 10 ...