Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

For the first time, astronomers have captured the brilliance of a superluminous supernova via gravitational lensing.

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

Learn more about the supernova, which is more than a billion years older than the previous record-holder.

The James Webb Space Telescope has caught what appears to be the earliest supernova humanity has ever seen, a stellar death ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

Supernovae are supposed to explode once and disappear forever. Yet astronomers say one will appear again in 2037. This sounds ...

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of ...