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

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

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

One such occasion occurred earlier in 2025, when NASA scientists reported sightings of a supernova that exploded when the ...

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

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

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

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

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.

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

Explore the colossal red supergiant Betelgeuse in Orion and discover why astronomers are riveted by its unpredictable ...