Small and unassuming, Segue 1 is a nearby dwarf galaxy containing only a handful of stars—too few to provide the gravity ...

In January 2025, a ripple in spacetime reached Earth from more than a billion light-years away. It wasn’t light or radio ...

Using the James Webb Space Telescope's infrared camera, scientists have captured the gigantic jet blasting out of M87* in a ...

Artist’s interpretation of two massive black holes (MBHs) within a galaxy. A tidal disruption event unfolds around the MBH ...

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

IIA astronomers confirm black hole activity suppresses star formation, revealing insights into galaxy evolution and gas ...

"This is truly extraordinary," Itai Sfaradi of the University of California, Berkeley, said in a statement. "Never before ...

Event Horizon Telescope data reveal the magnetic field around M87* shifted, weakened and then flipped, defying theoretical expectations.

It’s possible that these objects might be the primordial beginnings of the supermassive black holes found in the centers of ...

Researchers at the Indian Institute of Astrophysics (IIA) have pieced together a key part of the galaxy evolution puzzle, ...

UCLA astronomers report the discovery of a remarkable star that orbits the enormous black hole at the center of the Milky Way Galaxy in a blistering 11.5 years — the shortest known orbit of any star ...