1–20 of 154 results
Gravitational waves from GW190521

Cosmology

Record-breaking Signal Reveals New Population of Black Holes

Gravitational-wave observatories have detected the most massive black hole merger yet, and it's challenging our ideas of black hole formation.

black hole binary in AGN disk

Black Holes

Black Hole Collision May Have Caused Burst of Light

Astronomers think they’ve detected a flash created by the merger of two black holes.

visualization of GW190814 gravitational-wave event

The Black Hole Files with Camille Carlisle

Gravitational Wave Detectors Find Mystery “Mass Gap” Object

Astronomers have caught a black hole colliding with a mysterious companion that might be either one of the most massive neutron stars or the smallest black hole ever detected.

Erosita's first all-sky X-ray survey

Cosmology

First All-sky Map from eRosita

The first all-sky X-ray map to be released in 30 years reveals new wonders of the hot and energetic universe.

supermassive black hole with accretion disk

The Black Hole Files with Camille Carlisle

Black Holes Grow by Gas, Not Mergers, Most of Their Lives

Calculations suggest how black holes have amassed mass and predict what the black holes’ spins should be if this picture is correct.

OJ 287 (artist's concept)

Black Holes

Black Hole Duo Flares Right on Time

Astronomers have forecast a flare from a supermassive black hole duo 3.5 billion light-years away.

illustration of triple system HR 6819

Black Holes

Closest Black Hole to Earth? Maybe

An international team of astronomers says that they’ve discovered the closest black hole to Earth — an invisible object dancing with two large, bright stars 1,000 light-years away.

Black Holes

What Kinds of Black Hole Partners Merge?

New research on black hole mergers reveals that the black hole pairs tend to have similar masses — suggesting that they start out as massive stellar pairs.

Illustration of black hole merger

Black Holes

Mismatched Black Holes Merge

For the first time, the LIGO and Virgo gravitational-wave detectors have "heard" gravitational waves from an unequal pair of black holes.

star draws rosette around black hole

The Black Hole Files with Camille Carlisle

Black Hole Changes Star’s Orbit in Gravity Test

A long-awaited measurement indicates that a star whizzing around the Milky Way’s supermassive black hole has changed its trajectory.

series of zooms on 3C 279's jet

The Black Hole Files with Camille Carlisle

Event Horizon Telescope Finds Bent Jet Near Black Hole

Observations from the worldwide network of radio telescopes show the fire hose of plasma shooting from a distant galaxy does something strange near its source.

Black Holes

Scientists Predict Countless Rings of Light Encircle Black Holes

Detailed calculations reveal a surprise about how black holes bend light around themselves, opening a new possibility for future observations.

Dwarf Galaxy

The Black Hole Files with Camille Carlisle

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.

Supermassive Black hole

Black Holes

The Appearance of a Black Hole’s Shadow

In April of this year, the Event Horizon Telescope captured the first detailed images of the shadow of a black hole. In a new study, a team of scientists has now explored what determines the size and shape of black hole shadows like this one.

Star orbiting black hole

Black Holes

Heavyweight Black Hole Find Mystifies Astronomers

Observations of a star have found it orbiting an unexpectedly massive black hole. If the discovery pans out, it would change our understanding of how massive stars die.

NGC 6240 and its three black holes

Black Holes

Three Black Holes May Merge in Nearby Galaxy

New observations of a galactic crash site show that there are not just two but three supermassive black holes on the verge of union. Two of them are only 650 light-years apart, the closest pair known.

The Black Hole Files with Camille Carlisle

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.

tidal disruption event

Black Holes

Exoplanet Hunter Sees a Black Hole-Shredded Star

NASA's TESS exoplanet-hunting satellite has provided astronomers with a front-row seat as a black hole shreds a close-venturing star.

Black Holes

Video: Black Hole Warps Light

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

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