Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

The first generation of stars that were born in the universe are a mystery. We can estimate when they existed and even how ...

Mysterious ‘little red dots’ seen by the James Webb Space Telescope can be explained by a new kind of black hole enshrouded ...

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

JWST uncovers evidence of ancient “monster stars” whose extreme chemistry may explain the origins of early supermassive black ...

For two decades, astronomers have wondered how supermassive black holes could exist less than a billion years after the Big ...

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic primordial stars that were among the first to form after the Big Bang.

In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, ...

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 ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

Another batch of the ‘impossible’ galaxies turned out not to be standard galaxies at all, but a new type of object that ...