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

Learn about what may be the first ever superkilonova ever observed, emitting gravitational waves that hint at the collision ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

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

The new candidate, AT2025ulz, initially acted like a kilonova, only to later mystify scientists by morphing into what appeared to be a common supernova.

On April 10, 2024, the Asteroid Terrestrial-impact Last Alert System (ATLAS) detected first light from an explosion of a massive star with roughly 12 to 15 times the sun’s mass. Just 26 hours later, ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

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

For years, scientists thought they understand what happens when stars explode. New earliest-ever mages of supernova events ...

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

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 ...

EVANSTON, Ill. — Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A ...