Edwin Hubble, a renowned astronomer, revolutionized our understanding of the universe. He proved the existence of galaxies beyond the Milky Way and discovered that the universe is expanding.

One hundred years ago, on November 23, 1924, a groundbreaking discovery reshaped our understanding of the universe. A small ...

Edwin Hubble's revelation in 1924 that the Andromeda Nebula was, in fact, an 'island universe,' was a pivotal moment in our ...

A new class of galaxies, nicknamed UFOs—short for Ultra-red Flattened Objects—has been discovered by astrophysicists led by ...

The Hubble Space Telescope captured an image of NGC 4694, a galaxy that possesses unusual properties that complicate its ...

A new mid-infrared image from the NASA/ESA/CSA James Webb Space Telescope features the Sombrero galaxy, also known as Messier ...

From sparkling brilliance of the Westerlunds, to the stunning view of the Milky Way's galactic center, check out these 10 ...

"Maybe we didn't understand the universe as well as we thought," said astrophysicist Justus Gibson of CU Boulder.

That's equivalent to lining up 140 Milky Way galaxies back to ... 17, 2024 — With the help of NASA's Hubble Space Telescope, an international team of scientists has found more black holes ...

Brian Greene (Cosmic String Theory) and Astrophysicist Ethan Siegel have collaborated on a National Geographic coffee-table ...