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

An international team of astronomers, working with researchers from University College Dublin and other institutions, has ...

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

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 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, ...

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

A case of astronomical fratricide is doomed to end in a fiery supernova bright enough to be spotted from Earth during the day ...

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