"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its current age." When you purchase through links on our site, we may earn an ...

The James Webb Space Telescope has captured the light of a star that exploded when the universe was still in its cosmic youth ...

A "guest star," briefly seen in 1181, was created by colliding dead stars, according to new simulations that may finally solve an 800-year-old cosmic mystery. When you purchase through links on our ...

Panels A-D (clockwise from upper left) show several different stages of the supernova: the location of the host galaxy after the supernova faded, the three images of the host galaxy and the supernova ...

Through a phenomenon called gravitational lensing, three different moments in a far-off supernova explosion were captured in a single snapshot by NASA's Hubble Space Telescope. The light from the ...

When the bright star Betelgeuse explodes, it will be an impressive sight. The stellar explosion, known as a supernova, will be brighter than any planet and almost as bright as the full moon. It will ...

The ultimate cosmic "cold case" has lingered for 843 years — and now, space detectives may have solved it at last. In 1181 AD, as the Genpei War raged in Japan, a mystery "guest star" briefly flashed ...

The light of the oldest supernova ever seen, dating back 13 billion years to just 730 million years after the Big Bang, has been captured by the James Webb Space Telescope. The supernova was ...