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Black Holes

Shredded Star Reveals Elusive Middle-Mass Black Hole

Astronomers have used the death of a star to uncover details about a hidden intermediate-mass black hole.

M13

Black Holes

60-second Astro News: White Dwarfs Still Burn, Black Holes Merge

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.

Zoomed-in view of barred spiral galaxy NGC 4921

Galaxies

Watch Black Holes Grow, Galaxies Fall

Watch black holes grow and galaxies fall — astro photos and visualizations to get you through the week.

Black hole accretion disk

Black Holes

How Black Holes Eat Reveals Their Mass

No one knows why quasars flicker — but astronomers are using these wavering beacons to "weigh" the black holes that power them.

Cen A jets

The Black Hole Files with Camille Carlisle

Event Horizon Telescope Reveals Curious Jet Structure from Black Hole

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.

Black Holes

Gravitational Waves Reveal Black Hole–Neutron Star Mergers

Two new detections give astrophysicists a novel look at how stellar remnants pair up.

two colorful radio gets stream out either side of a central, invisible point

Galaxies

From Starving Black Holes to Warped Galaxies

Hot topics from the American Astronomical Society summer meeting range from colliding galaxies, to warped galaxies, to starving black holes.

Galactic center

Solar System

Astronomy in Pictures: Unraveling Galaxies and Clyde's Spot

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.

A black-hole binary

Black Holes

Jumping the Gap to Probe Large Black Holes

Gravitational-wave detectors should be able to locate a population of huge black holes soon. A new study predicts when we'll find them, and what they'll teach us.

Closest black hole?

Black Holes

Is the “Unicorn” the Closest Black Hole?

Astronomers again think they have found the black hole nearest to us, just 1,500 light-years away, but the find still needs to be confirmed.

An artist’s impression of the collision of two black holes

Black Holes

Redefining a Heavy Collision

Could the biggest — literally — gravitational-wave discovery yet be something other than what it initially seemed?

An artist's impression of a gas cloud as it passes the black hole at the center of the Milky Way.

Milky Way

Flares from the Milky Way’s Supermassive Black Hole

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.

polarized emission around black hole

The Black Hole Files with Camille Carlisle

Astronomers Detect Strong Magnetic Fields Around M87’s Black Hole

Event Horizon Telescope data support the idea that magnetic fields control how black holes feed and grow.

Most distant quasar

Black Holes

A Supermassive Black Hole on the Move

This supermassive black hole is restless, and astronomers want to know why.

Tidal disruption event

Stellar Science

Star-shredding Black Hole Makes Ghostlike Particle

A single high-energy neutrino may shed light on a star being swallowed by a supermassive black hole some 690 million light-years away.

Cygnus X-1

Black Holes

First-detected Black Hole is More Massive Than We Thought

A higher mass for Cygnus X-1, the first black hole to be discovered, challenges ideas about the evolution of massive stars.

illustration of X-ray binary system

Black Holes

Astronomy News: Galactic One-Two Punch, Black Hole Heartbeat Falters

In the news this week: Globular clusters have the detailed scoop on our galaxy's past, and a "heartbeat" black hole binary in the Milky Way has gone mysteriously dim.

Most distant quasar

Black Holes

What the Most Distant Quasar Tells Us About Black Hole Birth

The existence of a quasar when the universe was only 670 million years old is helping astronomers understand how black holes are born.

Supermassive black hole devouring a star

Black Holes

Black Hole Feasts on Star, Bite by Bite

Like a cosmic blinker, a distant supermassive black hole is flaring every 114 days. Astronomers believe the eerily regular signal betrays the piecemeal devouring of a star.

Timing an array of pulsars

Black Holes

Pulsars Show Hint of Gravitational-wave Background

Duos of supermassive black holes tangoing throughout the universe make their own music, and astronomers may have picked up a hint of the tune.

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