Black Holes

Are we Seeing a Star That Just got Spaghettified?

Sometimes astronomers come up with awesome names for certain phenomena and then feel like they can’t use them in formal…

2 weeks ago

Smallest, Closest Black Hole Ever Discovered is Only 1,500 Light-Years Away

A red giant star may have a black hole companion that is only three solar masses in size.

3 weeks ago

Roman Space Telescope Will Also Find Rogue Black Holes

In the past we’ve reported about how the Roman Space Telescope is going to potentially be able to detect hundreds…

4 weeks ago

You Thought Black Hole Event Horizons Looked Strange. Check out Binary Black Hole Event Horizons

Binary black holes lens light so strongly it's difficult to simulate how they would appear. A new simulation shows us…

1 month ago

An Intermediate-Mass Black Hole Discovered Through the Gravitational Lensing of a Gamma-ray Burst

An intermediate mass black hole was discovered by its chance alignment with a gamma ray burst.

1 month ago

The Event Horizon Telescope has Revealed the Magnetic Field Lines Around M87's Central Black Hole

A new look at the black hole in M87 tells us about the magnetic fields that drive its activity.

2 months ago

What's the Connection Between Stellar-Mass Black Holes and Dark Matter?

The smallest black hole we've observed might prove dark matter is made of primordial black holes.

2 months ago

Did Supermassive Black Holes Form Directly From Dark Matter?

Supermassive black holes are just a little bit too supermassive - astronomers have difficulty explaining how they got so big…

2 months ago

Cygnus X-1 was the First Black Hole Ever Found. New Measurements Show it's Much More Massive Than Previously Believed

New parallax measurements of Cygnus X-1 by the VLBA find it is more distant than we thought, and therefore more…

3 months ago

A Cluster of Black Holes Found Inside a Globular Cluster of Stars

Globular clusters can be home to lots of stellar-mass black holes, rather than a single intermediate mass black hole.

3 months ago