The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

According to modern cosmology, most galaxies are surrounded by faint, extended halos of light called LSB structures. These ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

A flaring black hole whips up ultra-fast winds of more than 37,000 miles per SECOND, reveals new research. X-ray space telescopes spotted a never-seen-before blast from a supermassive black hole.

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

Four UC Nobel laureates on what they discovered here, why it matters, and why their world-changing work could only have ...

Astronomers around the world are accelerating their study of Comet 3I/ATLAS, the third confirmed interstellar object to enter ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

The Hubble Space Telescope has been quietly orbiting Earth for decades, but it’s still one of the most valuable tools […] ...