Radio telescopes around the world picked up a telltale hum reverberating across the cosmos, most likely from supermassive black holes merging in the early universe.
Tag: Stars and Galaxies
The Biggest Explosion in the Cosmos Just Keeps Going
For three years, telescopes have monitored “one of the most luminous” events ever: a supermassive black hole consuming a gigantic cloud of interstellar gas.
Back Then, Baby Galaxies. Next, a Super-Mega Galactic Cluster?
The Webb telescope has spotted some of the oldest known collections of stars. They may have a very bright future.
A Fresh View of an Increasingly Familiar Black Hole
Radio astronomers have captured a wide-angle image of one of the most violent locales in the cosmos.
Courting the Sirens of the Southern Sky
These days it takes a generation to build a giant telescope. A new one is taking shape in the Atacama Desert in Chile.
That Famous Black Hole Just Got Even Darker
Astronomers recently used artificial intelligence to fine-tune the first-ever image of a black hole, captured in 2019 by the Event Horizon Telescope.
Webb Telescope Spots a Distant Spiral Galaxy Like Our Own
LEDA 2046648 has an eerie resemblance to our Milky Way galaxy, but it lies a billion light-years away.
The Webb Telescope Is Just Getting Started
The first scientific results are coming in, and the $10 billion instrument is working even better than astronomers had dared to hope.
Astronomers Find a Black Hole in Our Cosmic Back Yard
Just 1,600 light-years away, the black hole is the closest known to Earth. The good news: It’s dormant, at least for now.
How Long Is the Drive to the Edge of the Universe?
See you in a quadrillion years or so. Don’t forget to pack zillions of tons of snacks!