A half-century ago, a radio telescope in Holmdel, N.J., sent two astronomers 13.8 billion years back in time — and opened a cosmic window that scientists have been peering through ever since.
Tag: Stars and Galaxies
What Is That Question Mark in Space? Here’s What We Know — and Don’t Know
Close scrutiny of a recent image from the Webb Space Telescope revealed some questionable punctuation.
The Cosmos Is Thrumming With Gravitational Waves, Astronomers Find
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.
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.