Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star ...

The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar explosion — or any other type of normal stellar explosion." ...

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

Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb ...

The "Star" of Bethlehem's identity remains a mystery, captivating astronomers and believers alike with theories of rare celestial events and their symbolic power ...

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.

When the 3 rd -century Christian theologian Origen of Alexandria attempted to account for the unusual movements of the Star of Bethlehem, he wrote that it should be “classified with the comets which ...

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

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.