Astronomers discovered dozens of stellar streams in the Milky Way using Gaia data, offering new clues about galaxy formation ...

Astronauts on the International Space Station were not only treated to a sight from Earth's atmosphere recently but also caught a glimpse of one of the Milky Way's nearest galactic neighbors. When you ...

A team of astronomers led by the Center for Astrophysics | Harvard and Smithsonian have for the first time used galactic archaeology, the study of detailed chemical fingerprints in deep space, to ...

The Hubble Space Telescope has captured a fresh image of NGC 7722, a ‘lens-shaped’ galaxy that is somewhere between more familiar spiral and elliptical galaxies. Located about 187 million light-years ...

The oxygen in a galaxy does not sit still. It spreads, thins out, piles up, and leaves behind a record of where stars formed, where gas moved, and when smaller galaxies crashed in. In the nearby ...