The powerful merger, designated GW231123, produced an extremely large black hole about 225 times the mass of our Sun.

But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...

Both cameras are far more sensitive than the standard cameras used on Earth. NIRCam and MIRI can detect the tiniest amounts ...

The James Webb Space Telescope (JWST), launched in 2022, continues to reshape how we view the cosmos. Designed to look deeper into space and further back in time than any previous instrument, it has ...

Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

NASA’s James Webb Telescope captures the "Cosmic Owl," a rare galactic formation resembling an owl’s face. See stunning images.

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its ...

"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very ...

Dr. Caitlin Casey, an observational astronomer, has recently joined the physics department at UC Santa Barbara. She co-leads the C.O.S.M.O.S. collaboration — a project distinguished by its deep ...

Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...