A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

"It looks like it has been through some kind of event that caused it to form a lot of stars and then just shut down” ...

NASA's Hubble Space Telescope has provided unprecedented details about the Andromeda galaxy's history and characteristics.

Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

This image, captured by NASA's Wide-field Infrared Survey Explorer (WISE), showcases the expansive Andromeda Galaxy, also referred to as Messier 31 or M31. This image of M31, our nearest major ...

Following the recent Wolf Moon in a celestial game of peekaboo with Mars, January is shaping up to be a dazzling spectacle for stargazers, with a parade of planets crisscrossing ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Astronomers have unveiled the largest-ever photomosaic of the Andromeda galaxy, a sprawling celestial giant with over 1 ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in observations..

This is the largest photomosaic yet assembled from Hubble Space Telescope observations. It is a panoramic view of the Andromeda galaxy, located 2.5 ...

Messier 31 is located 2.5 million light-years away from Earth and was a much bigger target in the sky than the galaxies ...