Then there was the September discovery of C/2025 R2 (SWAN), a comet so bright that even when it was near the moon on ...

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

Observations of the formation of light-nuclei from high-energy collisions may help in the hunt for dark matter.

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

Beyond its monumental walls, Sacsayhuaman contains a network of springs and channels that hint at a sacred water-focused ...

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

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

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

These villains are so old and powerful that they see humans as mere insects whose lives begin and end within the blink of an ...

Based on a comprehensive study, researchers are now convinced the shafts were human-made, likely dug during the Late ...

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...