Rather than solid arms, spiral galaxies may show density waves—regions where matter slows down and bunches up, like cars in ...

Travel 500 million light-years into the James Webb Space Telescope's amazing view of the Cartwheel Galaxy. Credit: ESA/Webb, ...

Astronomers have spotted an apparent supermassive black hole snacking on a star 600 million light-years away, wandering ...

Astronomers used the Hubble Space Telescope to image "peculiar" galaxy Arp 184 (NGC 1961) about 190 million light-years away.

NASA's Chandra Observatory recently captured an X-ray image that helped identify a dramatic break in one of the galaxy's ...

Yann Martel's 2002 novel, also made into a 2012 Ang Lee film, gets a stage adaptation that is wondrously dreamy and profound.

Captured by the VST, NGC 3640 reveals a turbulent history of cosmic cannibalism, but its current companion, NGC 3641, remains ...

The word itself comes from galaktikós kyklos, or “milky circle,” the ancient Greek term for the Milky Way, our home galaxy.