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

Caltech astronomer Mansi Kasliwal and her colleagues were not expecting to chase a mystery that blurred the line between a ...

In an unprecedented discovery, astronomers might have observed the first known“superkilonova” – an explosive cosmic event ...

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

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, challenging astronomers to rethink how neutron stars are born and collide.

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

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

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.

Astronomers may have identified the first-ever superkilonova, a massive cosmic explosion, through a gravitational wave signal ...