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

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

Will the Universe and everything in it ever die?

NASA’s James Webb Space Telescope (JWST) could have unveiled one of the universe’s oldest secrets: stars formed shortly after the Big Bang. These primordial stars, known as Population III (Pop III) ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

The James Webb Space Telescope has discovered Alaknanda, a remarkably mature spiral galaxy existing just 1.5 billion years ...

“Our latest discovery helps solve a 20-year cosmic mystery,” co-lead author Daniel Whalen from the University of Portsmouth's ...

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its host galaxy and providing unprecedented early-universe observations.

If you look across space with a telescope, you’ll see countless galaxies, most of which host large central black holes, billions of stars and their attendant planets. The universe teems with huge, ...

Astronomers detected a powerful cosmic flash from a star that exploded when the universe was just 5% of its current age, 13 ...

Previously, the most ancient supernova ever confirmed dated back to when the universe was 1.8 billion years old.