Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

This illustration depicts an artist’s impression of one of the brightest explosions ever observed in space. (Image: NASA, ESA, NSF's NOIRLab, Mark Garlick, Mahdi Zamani) Astronomers using the James ...