141–160 of 162 results

Black Holes

Magnifying Quasars

Twinkle, twinkle, quasi-star: cosmic lenses could tell us what you are.

Milky Way

A Cosmic Sleight of Hand

Astronomers have been waiting for our galaxy’s slumbering supermassive black hole to stir for a snack. Instead, the universe handed them a different treat.

Stellar Science

Brilliant GRB Blast with an Amateur Twist

An exceptionally powerful gamma-ray burst on April 27th wowed astronomers around the world — and its fading was tracked by an alert backyard observer.

Black Holes

When Supergiants Explode

Astronomers have announced a new class of gamma-ray bursts, possibly created when some of the biggest stars in the universe go supernova.

Black Holes

Black Hole Wakes for a Light Snack

Astronomers might have glimpsed a supermassive black hole snacking on a brown dwarf in a galaxy 47 million light-years away.

Stellar Science

Can Stars Form in our Galaxy's Center?

Observations of Milky Way’s chaotic center show hints of stars forming just two light-years away from our galaxy’s supermassive black hole.

Quasar

People, Places, and Events

Fifty Years of Quasars...And Fifty More?

As we celebrate the golden anniversary of quasars' discovery, some astronomers are pausing to question the direction of the field.

Black Holes

Mystery Structure Around Black Hole

An X-ray flare revealed a bizarre black hole binary system, where a mysterious, moving structure blocks its visible light.

Black Holes

Black Hole Caught Spinning?

X-ray observations of a distant supermassive black hole might end a decades-long debate over the nature of these X-ray signals. But not everyone’s convinced that the observations are what they appear to be.

Black Holes

Baby Black Hole Discovered

Astronomers investigating a supernova remnant see nothing but swirls of gas. The lack of stellar remains means the explosion must have birthed a black hole only 1,000 years ago.

Binary white dwarf

Black Holes

Spacetime Ripples on the Horizon?

Scientists might be closer to detecting one prediction of Einstein's theory of gravity than they thought they were.

NGC 1277

Black Holes

A Big Black Hole in a Small Galactic Pond

A record-breaking black hole lurking at the center of a compact galaxy weighs about 17 billion Suns, a new study finds. Now astronomers are wondering: how did such a small galaxy come to harbor a leviathan?

Black hole tilt

Black Holes

Tilt a Black Hole and Watch What Happens

A simulation published in yesterday's Science shows how black holes govern their surroundings. Watch a black hole work its magic in this new video.

Black Holes

Beads on a Galaxy-Scale String

A new image from the Australia Telescope Compact Array shows a series of brilliant knots along the jet shooting from a supermassive black hole. While not the first sighting of a string of pearls gracing a galaxy's jet, the new image is a striking look at a mysterious phenomenon.

Professional Telescopes

The Flares from Milky Way’s Black Hole

Our galaxy’s central supermassive black hole emits regular, mysterious X-ray flares. For the first time, NASA’s newest sharp-eyed telescope has captured a high-energy view of the action.

stars orbiting black hole

Milky Way

Star Zips around Black Hole

Astronomers announced that they've successfully tracked a star that takes less than 12 years to whip around the Milky Way's central black hole. The star isn't so special on its own, but combined with other observations it might help unwrap the region's mysteries.

Black Holes

Astronomers Approach Black Hole

The Event Horizon Telescope team has unmasked the heart of the jet-shooting galaxy M87, paving the way for astronomers to discover how black holes create their superpowered streamers.

Black Holes

X-ray Outburst in Spiral Galaxy M83

Astronomers have spotted an unusual "ultraluminous" burst of X-rays coming from the otherwise barren region between the grand spiral arms of Messier 83.

Black Holes

Black Hole Eats Stripped Star

A closely-watched flare from a gargantuan black hole in a distant galaxy has revealed to astronomers not only the mass of the black hole that ate the snack but the type of star that met its end as the meal.

Galaxies

Black Hole Breakfast En Route

Astronomers have discovered a dusty, stretched-out cloud heading for the supermassive black hole lurking in the Milky Way's core. The blob could be the meal the beast needs to wake up for a bit from its slumber, if the cloud survives its incoming trip on the dining cart.

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