These breathtaking photographs are the winning entries of the 2025 ZWO Astronomy Photographer of the Year Awards.

"It's an elegant answer, really, because we thought it was a tiny galaxy full of many separate cold stars, but it's actually, ...

The James Webb Space Telescope’s Near-Infrared Camera captured an "array of stars that make up the dwarf galaxy Wolf–Lundmark ...

In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...

A radical new theory regarding the origin of the universe suggests that gravitational waves, tiny ripples in spacetime first ...

A newly discovered distant object that astronomers have dubbed “The Cliff” could solve a riddle posed by some of the first ...

Astronomers using the Webb Telescope may have found a new type of object: cold, glowing black hole stars from the early ...

In the vast universe, a grand event spanning billions of years is quietly brewing—the Milky Way and Andromeda galaxies will ...

In the vast universe, a grand event spanning billions of years is quietly brewing — the Milky Way and the Andromeda Galaxy ...

You’ll see some irregular galaxies that look like nothing, and some barred spirals that look like everything. Along the way, ...

Astronomers first thought these red dots were ancient galaxies. They appeared unusually mature for their early universe age.

Astronomers using NASA’s James Webb Space Telescope have stumbled upon a puzzling population of galaxies that look far too ...