Astronomers might have spotted a stellar-mass black hole in another galaxy — but not everyone agrees with what they found.
Astronomers witness the unfurling of a black hole-powered mushroom cloud, a baby super-Jupiter, and a magnetic "tunnel" around the solar system.
Astronomers have used the death of a star to uncover details about a hidden intermediate-mass black hole.
This week in astronomy news, we learn that some white dwarfs still burn and image X-rays from black holes almost 12 billion light-years away.
Observations of the nearest radio galaxy, Centaurus A, provide the highest-resolution look at the long jets shooting from the galaxy’s supermassive black hole.
Two new detections give astrophysicists a novel look at how stellar remnants pair up.
This week in astronomy pictures: Peer into our galaxy's busy core, watch Clyde's Spot unravel at Jupiter, and see a stunning Hubble photo of a lopsided galaxy.
The supermassive black hole at the center of the Milky Way released an unusual number of strong flares in 2019. Now, astronomers are trying to figure out why.
Event Horizon Telescope data support the idea that magnetic fields control how black holes feed and grow.