Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

The Hubble Space Telescope has found evidence of a "wandering" black hole about 5000 light years away in the Milky Way galaxy ...

The supermassive black hole at the center of the Milky Way apparently flared up dramatically relatively recently. An echo of ...

The system is known as J1218/1219+1035, and is located 1.2 billion light-years from us. The three nuclei of the three ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

Scientists are developing new methods to turn black hole images into time-resolved 3D movies, revealing how plasma, jets, and gravity behave near event horizons ...

Do all stars exist in galaxies, or do some exist in intergalactic space?Thomas GriffilthAtlantic City, New Jersey Nearly all ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

Measuring the energy of hot gas within a remote group of galaxies reinforces the importance of giant black holes in forming ...

We are going to be getting a lot of exciting new information about galaxies in 2026, says Chanda Prescod-Weinstein, who can't wait to see what it can tell us ...