Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled ...

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

I/ATLAS, comets, asteroids, quasi-moon and more. In 2025, scientists spotted several strange events and objects in the ...

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

X-ray telescopes catch a black hole firing ultra-fast winds at 60,000 km/s, revealing how flares trigger extreme cosmic ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

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

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

Intermediate mass black holes (IMBH), if they exist, have between about 100 and 1,000 solar masses, placing them in between ...