SUNSET: 
Magnifying Quasars
Twinkle, twinkle, quasi-star: cosmic lenses could tell us what you are.
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.
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.
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 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.
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.
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.
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 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.
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.
Spacetime Ripples on the Horizon?
Scientists might be closer to detecting one prediction of Einstein's theory of gravity than they thought they were.
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?
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.
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.
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.
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.
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.
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 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.
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.
