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.

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

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 ...

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

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

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 ...

Astronomers have discovered a mysterious object in space that may be the smallest galaxy in the Universe, or the oldest star cluster in the Milky Way.

NASA has launched a new project that lets everyday people team up with scientists to explore space. The goal is simple: help ...