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

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

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

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

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

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

A supernova from the early universe looks unexpectedly familiar, challenging ideas about how the first massive stars lived ...

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

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 years. When it explodes, it could be visible to the naked eye even in sunlit ...

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