41–60 of 154 results

Black Holes

Scientists See Strong Evidence of Rare Middle-weight Black Hole

New observations give more fuel to the concept of intermediate-mass black holes.

tidal disruption event illustration

The Black Hole Files with Camille Carlisle

Black Hole Destroys Star and Shoots Jet

Astronomers have watched the growth of a jet fueled by a shredded star.

G2 en route to black hole

Stellar Science

More Mystery Objects in the Galactic Center

Astronomers have discovered three more red, dusty objects near the Milky Way’s central black hole that could be merged stars.

The Black Hole Files with Camille Carlisle

Do Big Black Holes Wander the Galaxy?

New simulation work suggests that galaxies like the Milky Way could be home to a dozen supermassive black holes.

X-ray binaries around galactic center (art)

Black Holes

Our Galaxy's Center Might Hold Thousands of Black Holes

A new study has uncovered a dozen stellar-mass black holes within 3 light-years of the supermassive black hole at our galaxy’s core — and these might be just the tip of the iceberg.

Black Holes

Physicist Proposes Alternative to Black Holes

A physicist has incorporated a quantum mechanical idea with general relativity to arrive at a new alternative to black hole singularities.

Ultraluminous X-ray Source

Stellar Science

Neutron Star Powers Ultraluminous X-rays

It turns out that neutron stars — not black holes — power at least some ultraluminous X-ray sources.

The torus at the center of M77 / NGC 1068

Black Holes

Astronomers Watch Donut Rotate Around Supermassive Black Hole

Astronomers have detected a torus rotating around the supermassive black hole at the center of spiral galaxy Messier 77, collecting observations that may shed light on why these weird structures exist.

binary supermassive black hole

Black Holes

60-Second Astro News: Merging Black Holes, Distant Super-Supernova, and Arecibo's Fate

Supermassive black holes en route to merger have strange dynamics in their gas disks. Astronomers have spotted the most distant spectroscopically confirmed supernova. And NSF decides the fate of the Arecibo Observatory.

Reverberation mapping

Black Holes

60-Second Astro News: Black Holes Galore

Supermassive black holes are difficult to observe and measure, yet they have profound effects on their host galaxies. Read up on the latest black hole discoveries presented at the Washington D.C. meeting of the American Astronomical Society.

cosmic time and quasar

Black Holes

Most Distant Black Hole Yet

Astronomers have discovered a supermassive black hole scarfing down gas just 690 million years after the Big Bang.

galactic center, outflows marked

Black Holes

Infant Stars Huddle near Black Hole

A team of astronomers has found signs of small stars forming within a few light-years of the Milky Way’s central black hole.

five black hole mergers

The Black Hole Files with Camille Carlisle

LIGO Sees Smallest Black Hole Binary Yet

LIGO has detected another black hole merger, raising the tally to five.

Supernova art

Black Holes

The Star That Wouldn’t Die

Observations of a stellar explosion that refused to fade away have astronomers scratching their heads. What created the blast — and could it explain massive black holes?

Black hole accretion disk + jet

Black Holes

Astronomers Decode a Black Hole Jet

Two telescopes — one on the ground and one in space — watched a black hole’s jet turn on, enabling astronomers to probe its origin.

Black Holes

2017 Nobel Goes to Gravitational Waves

Three American physicists have received the Nobel Prize in physics for their contributions to the discovery of gravitational waves.

A Restless Supermassive Black Hole

Black Holes

Is There a Difference Between Starving and Feasting Black Holes?

A few decades ago, astronomers thought they had figured out how quasars operate. Now, a new study has thrown a wrench in the works.

protostar cloud

The Black Hole Files with Camille Carlisle

First Black Holes Maybe Had Supersonic Help

Gas flows in the early universe may have kept clouds from collapsing too soon, enabling them to grow into massive black hole seeds.

Virgo

Black Holes

Fourth Gravitational Wave Event Detected

Teaming up with LIGO, Europe’s Virgo detector has bagged its first gravitational waves. The three-observatory detection enabled scientists to better pinpoint the merging black holes’ location.

Mrk 533 in Hickson 96 compact group of galaxies

Black Holes

Supermassive Black Holes Discovered in Close Tango

Astronomers have found what could be the closest known pair of supermassive black holes detected via direct imaging, orbiting each other only a light-year apart.

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