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

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

Scientists may have to rethink their playbook for studying gamma-ray bursts, the most powerful known cosmic explosions, after ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

NASA’s James Webb Space Telescope has recently made a historic observation, identifying the earliest supernova ever detected. This discovery, made possible by Webb’s advanced imaging capabilities, was ...

Astronomers have witnessed a dramatic and extremely fast outburst from a supermassive black hole in the spiral galaxy NGC 3783 ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

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 ...

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

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its host galaxy and providing unprecedented early-universe observations.

A multinational research collaboration led by the University of Oxford has pinpointed an immense, extraordinarily thin band ...