PG 1634+706 quasar

Astronomy & Observing News

Find a Quasar in the Sky Tonight and Time Travel to the Early Universe

Travel to the faraway and long ago by riding a quasar's beam.

Astronomy & Observing News

New Simulation Sheds Light on Black Hole Growth

New supercomputer simulations reveal the journey gas takes to enter a galaxy and surround and enter its black hole. That journey holds a few surprises for astronomers.

Artist's impression of a black hole surrounded by swirling gas

Astronomy & Observing News

Most Luminous Quasar Hosts What Might Be Fastest-Growing Black Hole

In a new study, astronomers have identified a quasar more luminous and voracious than any found to date.

Galaxy field containing distant quasar and 10 equally distant galaxies

Astronomy & Observing News

JWST Turns Its Eye on Supermassive Black Holes and the Galaxies That Host Them

The intrepid infrared explorer is offering astronomers a jump back in time, enabling them to see quasars at earlier times than ever before.

OJ 287 binary black hole

Astronomy & Observing News

Signal Found from Supermassive Duo's Second Black Hole

Astronomers have long suspected that a distant quasar harbors not one but two supermassive black holes. They've now detected OJ 287's second black hole.

AGN (art)

Astronomy & Observing News

Hubble Image Reveals Possible Quasar Forerunner

A distant object in a deep Hubble Space Telescope field could be in transition from ordinary galaxy to brilliant beacon of light.

Black hole accretion disk

Astronomy & Observing News

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.

NGC 1365

Astronomy & Observing News

Astronomers Use AI to Investigate Quasars and Galaxies Galore

New applications of machine learning have enabled astronomers to classify 27 million galaxies and pick out a dozen rare quadruply lensed quasars.

Most distant quasar

Astronomy & Observing News

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.

illustration of active galaxy

Astronomy & Observing News

Survey Finds Newborn Black Hole Jets in Distant Galaxies

Astronomers have spotted a surprising number of quasars with jets launched within a couple of decades.

Quasars as standard candles

Astronomy & Observing News

What Quasars Can Teach Us About Dark Energy

Astronomers have found a way to turn quasars into standard candles, with potentially far-reaching implications for the nature of mysterious dark energy.

Quasar (art)

Astronomy & Observing News

Astronomers Discover Most Distant Lensed Quasar

The most distant magnified quasar known promises to shed light on the universe's early years.

ALMA image of quasar merger

Astronomy & Observing News

60-Second Astro News: A Carnivorous Quasar and a Galaxy Ghost

In astronomy news this week: The most luminous quasar known in the cosmos is devouring three galaxy companions, while a newly discovered ghostly satellite of the Milky Way hints at hordes more just waiting to be found.

cosmic time and quasar

Astronomy & Observing News

Most Distant Black Hole Yet

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

Quasar Footprint

Observing

Quasar CTA 102: Historically Bright, Violently Variable

The normally faint quasar CTA 102, once thought to harbor an advanced civilization and made famous in a 1967 song by the Byrds, is currently bright enough to see in an 8-inch telescope.  In the history of SETI, the Search for Extraterrestrial Intelligence, there have been two great false alarms.…

SDSS J1011+5442, the missing quasar

Astronomy & Observing News

The Case of the Disappearing Quasar

When a quasar, a black hole-fueled beacons that shines from across the cosmos, went dark, astronomers set out to find out why.

Astronomy & Observing News

Revealing Hidden Black Holes

The NuSTAR telescope has spied high-energy X-rays from five supermassive black holes shrouded in a thick veil of dust and gas, a test run that will lead to a better census of these hidden beasts.

Astronomy & Observing News

Black Hole Too Big for its Breeches

A supermassive black hole in the early universe is at least 10 times too heavy for its host galaxy, raising questions about galaxy and black hole coevolution.

Black Holes

Best Evidence Yet That Black Holes Exist

A team of astronomers has found indirect evidence of a supermassive black hole’s event horizon, providing further proof that these wacky objects actually exist in nature.

NGC 5972 and the ghost of quasars past

Astronomy & Observing News

Hubble Investigates Ghosts of Quasars Past

A galaxy-size blob of gas discovered eight years ago by a Dutch schoolteacher has galvanized the study of the spectral remains of once-bright quasars.