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.

COLLEGE STATION — Texas A&M flexed its considerable muscle in the second half while pulling away from the Texas basketball team for an 80-60 win in the SEC opener for both squads Saturday night ...

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

Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

With images from the Hubble Space Telescope, we have new information here in the Milky Way about our closest neighboring ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Discover the stunning 2500-megapixel photomosaic of Andromeda, created from 600 Hubble photos, showcasing the telescope's ...

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 ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.