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

In a strange turn of events, a supernova birthed twin baby neutron stars that merged to make a powerful kilonova.

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

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

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

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

An international team of astronomers has conducted optical and near-infrared observations of a supernova designated SN ...

From a small island off the coast of Panama to the farthest reaches of space, the Smithsonian advanced our knowledge of the ...

A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, challenging astronomers to rethink how neutron stars are born and collide.

The year’s most memorable moments from astronomy and space exploration include a double-detonating supernova, a private moon ...

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar ...

A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star ...