Astronomers have identified three actively accreting black holes inside a single galaxy more than 12.5 billion light-years away, providing a rare glimpse of black hole growth when the universe was ...

Researchers have obtained the deepest images ever taken of IC 1101, allowing them to identify the galaxy's outer edge for the first time. The observations confirm it as the largest known galaxy, ...

A sliver of space where scientists found Segue 1, a faint dwarf galaxy about 75,000 light-years away, in 2006. Credit: Marla Geha / W.M. Keck Observatory It started with a homework assignment: A ...

The Andromeda galaxy has dramatically reduced its rate of star formation in recent millions of years, and astronomers have ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space Telescope (JWST) in an area of the sky called COSMOS ...

Astronomers have produced the most detailed map yet of the Sculptor Galaxy, revealing hundreds of previously unseen celestial features in stunning color and resolution. By combining over 50 hours of ...

Astronomers using the James Webb Space Telescope have spotted something that shouldn’t exist—at least not so early in the universe. A massive galaxy, formed less than 2 billion years after the Big ...

The spiral galaxy NGC 3596 is on display in this NASA/ESA Hubble Space Telescope Picture of the Week, which incorporates six different wavelengths of light. ESA/Hubble & NASA, D. Thilker You might ...