Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

Am astrophotographer has now unveiled the most breathtaking photo of the Andromeda galaxy we've ever seen, and he took it ...

Astronomers have made a surprising discovery that challenges current theories of galaxy formation. A colossal disk-shaped ...

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they ...

Dozens of dwarf galaxies swarming around the Andromeda Galaxy like bees have been ... In five years time, Hubble or the James Webb Space Telescope will collect more data to produce another image ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to ... In another five years, Hubble or NASA's James Webb Space Telescope will be able to get the second set of ...

This is a wide-angle view of the distribution of known satellite galaxies orbiting the large Andromeda galaxy ... five years Hubble or NASA's James Webb Space Telescope will be able to get ...

Deep observations from the James Webb Space Telescope (JWST) have revealed an exceptionally large galaxy in the early ...

A spectacular view of the Cat’s Eye Nebula! Captured by NASA’s Hubble Space Telescope, this image of nebula (NGC 6543) shows ...

In the primordial darkness, after the Big Bang, nothing drifted but a vast sea of hydrogen and helium. It wasn't until stars ...