Astronauts on the International Space Station were not only treated to a sight from Earth's atmosphere recently but also ...

Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way ...

Astronomers have completed the most comprehensive census of active galactic nuclei (AGN) to date, providing the clearest ...

Across the sky, astronomers are stitching together vast samples of galaxies to understand how often supermassive black holes ...

Using deep imaging from the James Webb Space Telescope, they observed a galaxy bearing a striking resemblance to our ...

The number of black holes they found in dwarf-sized galaxies far exceeded what they previously thought.

The subatomic particles are incredibly numerous. About 1,000 neutrinos from stars other than the sun pass through a thumbnail ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

A long-term survey of small, “satellite” galaxies that orbit larger galaxies across the universe offers new insights into our own galaxy, the Milky Way. Since 2012, the Satellites Around Galactic ...

CAPE CANAVERAL, Fla. — It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...