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

By harnessing the Speed Force, DC Comics ’ Flash is the fastest being in comic book history, capable of moving at speeds that ...

This was a huge year for TV, with some of the best shows coming out of the blue. Do you agree with our critics?

And, while the following 10 movies aren’t the only 2026 sci-fi movies that might break out, they are the 10 with the greatest ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

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

Approximately 424 million light-years away, a vast chunk of the cosmic web (the network-like distribution of matter the ...

Astronomers have employed NASA's Chandra spacecraft to perform X-ray observations of a massive galaxy cluster known as SPT-CL ...

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...

The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in the early universe.

A multinational research collaboration led by the University of Oxford has pinpointed an immense, extraordinarily thin band ...