Black Holes

Black Holes Dominate Large Regions of Space, But They’re Mysterious

In the beginning, the Universe was all primordial gas. Somehow, some of it was swept up into supermassive black holes…

1 week ago

What’s Next for the Event Horizon Telescope? Twelve Possible New Targets

Both the Milky Way and a galaxy known as M87 have supermassive black holes at their core. These are the…

2 weeks ago

Galaxies Filled With Old Stars Seen Shortly After the Big Bang

How can young galaxies in the early Universe have ancient stars? That's the question a team of astronomers set out…

2 weeks ago

Earliest Supermassive Black Holes Were “Shockingly Normal”

The early Universe is a puzzling and—in many ways—still-unknown place. The first billion years of cosmic history saw the explosive…

2 weeks ago

Black Hole Bullies Shut Down Star Formation in Their Galaxies

A supermassive black hole in the heart of a galaxy is the ultimate 800-pound gorilla of astrophysics. Not only do…

3 weeks ago

Another Strike Against Primordial Black Holes as an Explanation for Dark Matter

The quest to understand dark matter has taken many twists and turns. It's a scientific tale but also a human…

3 weeks ago

Growing Black Holes Have Much in Common With Baby Stars

First looks would tell most observers that supermassive black holes (SMBHs) and very young stars have nothing in common. But…

3 weeks ago

Astronomers See a Black Hole Wake Up from its Ancient Slumber

Four years ago, the supermassive black hole hidden in the heart of galaxy SDSS1335+0728 roared awake and announced its presence…

3 weeks ago

A New Way to Prove if Primordial Black Holes Contribute to Dark Matter

The early Universe was a strange place. Early in its history—in the first quintillionth of a second—the entire cosmos was…

4 weeks ago

New Simulation Explains how Supermassive Black Holes Grew so Quickly

One of the main scientific objectives of next-generation observatories (like the James Webb Space Telescope) has been to observe the…

4 weeks ago