Webb's telescope captures the oldest supernova ever detected, revealing secrets about the early universe’s stars.

The Crab Nebula, one of the most studied remnants of a supernova explosion observed nearly a thousand years ago, has been ...

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

A double blast of dying stars may be the first observed case of a long-hypothesized, never proven “superkilonova.” Although ...

The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the ...

Columbia Professor Brian Metzger helped other astronomers interpret their observations of the unexpected stellar event.

Almost a thousand years since its formation, the Crab Nebula sports complex shells of plasma, filled with tendrils, filaments ...

The new data reveals unexpected complexity and variation in the way stars can explode, improving our understanding of the ...

A supernova has been detected at an unprecedented cosmic distance. The explosion, designated SN in GRB 250314A, occurred when the universe was only about 730 million years old, placing it deep in the ...