Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

A study carried out by a team of astronomers led by University of Arizona researcher Catherine Fielder has found that smaller ...

Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

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

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

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

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star formation and how a galaxy grows. Scientists have reported finding that Leo ...

The Hubble Space Telescope has generated the most comprehensive survey yet of the Andromeda galaxy, the nearest galactic ...