The light of the oldest supernova ever seen, dating back 13 billion years to just 730 million years after the Big Bang, has ...

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

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its ...

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

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

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

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

A stronomers using the JWST have traced the source of a long-duration gamma-ray burst back to a supernova that exploded ...

The space agency said supernovas typically brighten rapidly over a period of several weeks before they slowly start to dim. This example, however, took months to ...

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

Thanks to sufficient advance warning, the James Webb Space Telescope was able to study the earliest supernova by far. A gamma-ray burst had announced it.

Using the XRISM space telescope, scientists spotted faint emissions of the elements in remnants of the Cassiopeia A supernova ...