An unexpected monster black hole was found hiding inside one of the Milky Way's tiniest neighbors, rewriting what scientists ...

For the first time, scientists have detected two black hole mergers with spins so unusual they may reveal a new generation of ...

For the first time, scientists have the calculations and simulations to explain mysterious flashes from the galaxy OJ 287.

One of the Milky Way’s smallest galactic neighbours seems to have a supermassive black hole at its centre, upending ...

Physicists have analyzed two enormous black hole mergers that happened one month apart and have come up with tantalizing ...

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

Theoretical physicist Alex Lupsasca is pushing for a space telescope to glimpse the thin ring of light that is thought to surround every black hole.

Finally, if you get a chance to sit down and talk to the family member or friend you’re trying to help, one approach can help ...

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