Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no ...

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 ...

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

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

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.

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 ...