A flash of energetic light lasts only ten seconds, yet it has completely turned around our understanding of the timeline for ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a ...

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

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

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

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

NASA’s James Webb Telescope discovers the oldest supernova ever seen, offering insights into early universe star formation and primordial galaxy evolution.

An international team of astronomers has, for the first time, successfully probed the early universe. An international group of astronomers has reached a new milestone in studying the early universe.