1–10 of 27 results
Dwarf Galaxy

Black Holes

More Big Black Holes Found in Small Galaxies

In the quest to discover how massive black holes form, astronomers have spotted several of these objects in some of the smallest galaxies yet found to host them.

Black Holes

Bubbles, Heated Clouds Point to Active Past for Galactic Center

Two studies support the suspicion that our galaxy’s black hole had one or more outbursts a few million years ago.

Illustration of black hole merger

Black Holes

More Black Hole Mergers Found in LIGO Data

Analysis by an independent team has ferreted out seven candidates for gravitational-wave events from merging black holes.

Black Holes

Video: Black Hole Warps Light

The hypnotizing effect of a black hole on its surroundings appears to dramatic effect in this simulation.

star in gravitational well

Black Holes

Galactic Center Gravity Test Confirmed

A second team of astronomers has now confirmed the light from a star passing near our galaxy’s central black hole behaved as predicted by Einstein’s theory of gravity.

Event Horizon Telescope 2017

Black Holes

How Does the Event Horizon Telescope Work?

The Event Horizon Telescope creates the image of a black hole shadow thanks to the precise coordination of a worldwide telescope network. Here’s how they do it.

shadow image of M87

Black Holes

Scientists Unveil First Black Hole Image

The Event Horizon Telescope collaboration has reconstructed the shadow of a supermassive black hole.

primordial black hole illo

Black Holes

Could Dark Matter Be Black Holes?

Astronomers are reconsidering primordial black holes as an answer to the invisible matter mystery, but recent observations disfavor at least some sizes of black hole.

Sgr A*

The Black Hole Files with Camille Carlisle

Piercing the Veil of Our Black Hole

Astronomers have overcome the interference of clumpy interstellar gas to catch a glimpse of the gas around the Milky Way’s central black hole.

hotspot around black hole

Black Holes

Astronomers Use Annihilated Star to Clock Black Hole’s Spin

The glow of a star torn up by a supermassive black hole has enabled researchers to measure how fast the black hole whirls around.