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

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

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 ...

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

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

In a scene straight out of science fiction, astronomers using NASA’s Hubble Space Telescope have spotted a massive black hole ...

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 ...

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 ...

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.