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

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

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 ...

A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...

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

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

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

Astronomers report a strange cosmic blast that looked like a kilonova, then behaved like a supernova, hinting at a possible first “superkilonova” and leaving scientists debating how stars truly die.

Astrophysicists are turning the universe’s dying stars into laboratories for one of physics’ most elusive ideas, the axion.

Astronomers announce evidence of a rare and unprecedented cosmic event that might represent a new type of violent explosions ...

One such superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational ...