James Webb spotted a young galaxy blasting away its star-forming gas, revealing how massive galaxies may die early.

By Will Dunham WASHINGTON, June 16 (Reuters) - Taking a fresh look at data involving a specific type of stellar explosion, a ...

Once charted as a 'guest star' in ancient China, dreaded as a harbinger of ill omens in medieval Europe, and preserved in the ...

Here’s one of the most unsettling facts in all of science. The universe is not just expanding, it’s expanding faster and ...

Scientists confirm the universe is still expanding faster, refuting a recent challenge that questioned the existence of dark energy.

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 ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big ...

The James Webb Space Telescope is weighing in on a longstanding debate over why we don’t see more of the most massive red supergiant stars go supernova. NASA/ESA/CSA/Northrop Grumman In recent years, ...

Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The newly detected supernova, named SN Eos, exploded when the universe was ...

Researchers confirm the universe's expansion is still accelerating, challenging previous claims of dark energy weakening and halting this growth.