Using IRAS and NuSTAR telescopes, scientists identify hundreds of obscured black holes hidden behind gas and dust.

Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the ...

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 ...

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

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 ...

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

If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...

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 ...

NASA has released this photomosaic in two images that can be downloaded from its website: ...