1–20 of 201 results
Blazar (art)

Black Holes

Giant Black Holes Make Tiny, Ghost-like Particles

Blazars, the gas-guzzling black holes at the center of galaxies, could make most of the tiny particles known as neutrinos we catch on Earth.

Artist's impression of black hole binary

Black Holes

A Black Hole Lurks in a Galaxy Near Our Own

Astronomers have found a dormant black hole orbiting a massive blue star in the Large Magellanic Cloud, a satellite galaxy of the Milky Way.

supercomputer simulation shows gas flows in multiple colors

Black Holes

Where Did the First Quasars Come From?

New research shows how black holes with tens of thousands of Suns' worth of mass can form in the universe's early years.

diffuse glow surrounding a bright core

The Black Hole Files with Camille Carlisle

Monstrous Black Holes Spin More Slowly — But Why?

X-ray observations add to growing evidence that the most massive black holes have a different past than their lightweight peers.

a black dot at the center of a swirl of pink, purple, orange, grey, and other colors

Black Holes

Have We Found the First Rogue Black Hole in the Milky Way?

Hubble observations have revealed a stellar-mass compact object — a black hole or possibly a neutron star — wandering our galaxy.

Centaurus A galaxy

Stellar Science

The Life and Times of Immortal Stars

Under the right conditions, stars could become immortal. How is this possible, and what does it mean for these stars’ surroundings?

black hole surrounded by a glowing orange ring

Black Holes

Astronomers Unveil Image of the Milky Way’s Central Black Hole

Using a worldwide array of telescopes, the Event Horizon Telescope team has given us our first look at Sagittarius A*.

The merger of a black-hole binary

Black Holes

10 New Merger Events in Gravitational-Wave Data

An independent team has found additional black hole mergers in LIGO data.

big, bright, bluish star surrounded by a disk and near a second big, bright bluish star

Stellar Science

“Closest Black Hole” Doesn’t Exist, After All

Astronomers combined forces to confirm that a black hole proposed to lie a mere 1,000 light-years away isn’t really there.

Spiral galaxy NGC 1097, close-up on central region

Black Holes

Magnetic "Spoon" Feeds Supermassive Black Hole

Astronomers have imaged the magnetic field along which gas flows to a galaxy's central black hole.

Supermassive black hole binary animation

Black Holes

These Two Black Hole Behemoths Will Merge in 10,000 Years

Astronomers have discovered a pair of supermassive black holes that whirl around each other every two years.

a large flat purple and gold disc in front of an orange orb on a black background

Black Holes

Black Hole Spins Crookedly

Astronomers have found a black hole leaning decidedly askew in its orbit with a star.

Artist's impression of AGN

Black Holes

Supermassive Black Hole Hides Behind a Ring of Dust

A high-resolution infrared image has revealed a dust screen obscuring a gas-devouring supermassive black hole in the center of the galaxy NGC 1068, confirming 30-year-old predictions.

Black Holes

Does the Andromeda Galaxy Harbor a Mid-weight Black Hole?

New observations suggest a black hole 100,000 times the mass of the Sun lurks in the center of a globular cluster of the Andromeda Galaxy.

An artist's impression of the dramatic outflows from an active galaxy’s nucleus.

Galaxies

Dwarf Galaxies Shed Light on Black Hole Origins

Astronomers are searching nearby dwarf galaxies for the ancient origins of supermassive black holes.

Compact object emits jets and ring of light in artist's concept of a supernova dubbed

Black Holes

Stellar Remnant at the Core of Mysterious Flash Dubbed "The Cow"

Astronomers have identified the origin of a mysterious flash that occurred three years ago.

Leo I dwarf galaxy

Black Holes

Tiny Galaxy’s Giant Black Hole Throws Astronomers for a Loop

A satellite galaxy dwarfed by the Milky Way has a black hole nearly as massive as the one at the center of our galaxy.

Image of two bright galaxy cores

Galaxies

Nearest Supermassive Black Hole Pair Discovered

Astronomers have observed a pair of supermassive black holes set to collide in 250 million years.

Stellar-mass black hole with accretion disk and jet

Black Holes

Astronomers Watch Black Hole Jet Launch

Astronomers have watched a jet launch from a stellar-mass black hole, shedding light on how these structures form.

Black hole in another galaxy (artist's illustration)

Stellar Science

Did Astronomers Spot a Black Hole in Another Galaxy? Maybe Not

Astronomers might have spotted a stellar-mass black hole in another galaxy — but not everyone agrees with what they found.

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