The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in the early universe.

Direct chemical signatures in a distant galaxy captured by JWST confirm the presence of massive primordial stars, resolving ...

For two decades, astronomers have puzzled over how supermassive black holes, which are some of the brightest objects in the ...

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 ...

Approaching a black hole unleashes extreme tidal forces, stretching and tearing apart matter, including planets like Earth, a ...

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

For instance, the Keck Observatory, co-owned by UC and CalTech, is among the most powerful astronomical instruments in the world. Nobel laureate Andrea Ghez utilized these telescopes to provide ...

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

Black holes that were far too large shortly after the Big Bang posed a puzzle for astronomy. Now, stars were discovered that are said to have made them possible A research group has discovered the ...

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

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile have discovered "signs of a ‘hot spot’ ...