Record-breaking ultrafast outflow (UFO) winds from a supermassive black hole flung matter across the universe close to the speed of light.

The supermassive black hole in galaxy NGC 3783 was found to be ejecting a unique blast caught by leading X-ray space telescopes.

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

TNO, the Netherlands Organisation for Applied Scientific Research, has signed its first contract with the W. M. Keck Observatory to initiate the design of Keck’s Adaptive Secondary Mirror (ASM).

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled out yet. One involves a medium-size black hole, thousands of times heavier ...

Comet 3I/ATLAS nears Earth on December 19, 2025. This interstellar visitor displays an unusual green glow. Scientists are ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

Conventional telescopes are limited in detecting low-surface-brightness (LSB) structures, which are essential for studying ...

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

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...

A flaring black hole whips up ultra-fast winds of more than 37,000 miles per SECOND, reveals new research. X-ray space ...

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