New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

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

Researchers unveil a method using stellar chemical compositions to map hidden structures in the Milky Way, enhancing our understanding of Galactic dynamics.

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

NASA’s James Webb Space Telescope has recently made a historic observation, identifying the earliest supernova ever detected.

Data from the James Webb Space Telescope has identified the universe’s most ancient supernova to date. This milestone not only redefines astronomical records but clarifies how the universe’s first ...

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its host galaxy and providing unprecedented early-universe observations.

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

Scientists have made an exciting breakthrough in understanding how the universe creates the ingredients needed for life. A ...

A faint, tiny flash of red light glimpsed at the Cosmic Dawn more than 13 billion years ago has smashed the record for the ...

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday ...

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical ...