The James Webb Space Telescope has observed the oldest known supernova—the explosive death of a star that lived when the universe was only 730 million years old. The ancient blast occurred when the ...

The universe is almost 13.8 billion years old, but every now and then, astronomers detect echoes from its distant past. One such occasion occurred earlier in 2025, when NASA scientists reported ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

The big picture: NASA's James Webb Space Telescope recently managed to capture imagery of the oldest and farthest known supernova explosion – an event that occurred when the universe was just 730 ...

Supernova 1987A appeared in the far-southern constellation of Doradus (the Swordfish), in which the Large Magellanic Cloud is ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The faint spot of light of ...

In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...

"Our study provides a new direction to understand the whole evolutionary history of massive stars toward the formation of black hole binaries." When you purchase through links on our site, we may earn ...

(Phys.org) —These delicate wisps of gas make up an object known as SNR B0519-69.0, or SNR 0519 for short. The thin, blood-red shells are actually the remnants from when an unstable progenitor star ...

The team discovered the star by analyzing archival data from NASA’s NEOWISE mission. They used a prediction from the 1970s ...