Astronomy & Observing News

Black Hole Sprouts Jets in Unprecedented Event

Astronomers have witnessed X-ray rumblings and a powerful plasma “burp” following a supermassive black hole’s meal.

Artist's illustration shows black hole surrounded by gas at right, with a white star incoming from the left

Astronomy & Observing News

Black Hole Eats One Star, the Remains Pummel a Second One

The crumbs of a supermassive black hole’s stellar meal has revealed the presence of a second star in a close orbit.

tidally disrupted star falls into black hole

Astronomy & Observing News

Partially Shredded Star Returns for a Second Go-round with Black Hole

A supermassive black hole has twice now grabbed gas from a passing star — and astronomers predict a third chance will come in early 2025.

illustration of black hole with bright white accretion disk around it; a spiral in the disk goes off to the right. The disk and spiral are redder as they go farther from black hole

Astronomy & Observing News

Is This Gamma-Ray Burst a Shredded Star in Disguise?

Is GRB 191019A a typical burst of gamma rays from a dying star, an anomalously long burst from colliding objects, or something else entirely?

white flare of light at left gives rise to spiral jet going off to the right

Astronomy & Observing News

Astronomers Find a Brilliant Explosion That Just Keeps On Exploding

A brilliant flash of blue light briefly outshined its host galaxy before fading away — but then it exploded again and again, shedding light on the nature of its source.

black hole shredding star

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.

Tidal disruption event

Astronomy & Observing News

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.

Location of AT2018cow

Astronomy & Observing News

Celestial Event Dubbed "The Cow" Puzzles Astronomers

Astronomers can't agree on what kind of strange stellar death created a brilliant source dubbed "the Cow."

tidal disruption event illustration

Black Holes

Black Hole Destroys Star and Shoots Jet

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

Zwicky Transient Facility first light image in Orion

Astronomy & Observing News

Sky-sweeping Telescope Sees First Light

The Zwicky Transient Facility has taken its first image, covering an area equivalent to 247 full Moons in a single shot. This beginning is part of an ongoing sea change in astronomy.

Decade-long tidal disruption event

Astronomy & Observing News

Black Hole Feeds on Star for a Decade

Unlucky stars serve as brilliant but short-lived snacks when they wander too close to supermassive black holes. But one such black hole is still gnawing on its stellar meal after a decade.

Astronomy & Observing News

Milky Way’s Black Hole Is Throwing Cosmic Spitballs

Every now and then, the Milky Way’s central, supermassive black hole tears apart a star and flings away some of its innards. Now astronomers think they know how to spot these cosmic spitballs.