The James Webb Space Telescope has captured the light of a star that exploded when the universe was still in its cosmic youth ...

One such occasion occurred earlier in 2025, when NASA scientists reported sightings of a supernova that exploded when the ...

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

Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

The telescope captured near-infrared light from one of the earliest stars seen to explode in the history of the universe.

Using cutting-edge theoretical models and data from NASA's Chandra X-ray Observatory, scientists have transformed astronomical observations into detailed 3D models of cosmic objects — models that ...

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

Bennu asteroid samples returned by NASA's OSIRIS-REx mission reveal life's building blocks, including sugars like ribose and glucose. Scientists also ...

A faint, tiny flash of red light glimpsed at the Cosmic Dawn more than 13 billion years ago has smashed the record for the ...

The space agency said supernovas typically brighten rapidly over a period of several weeks before they slowly start to dim. This example, however, took months to ...