At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

If you’ve downloaded macOS 26, the biggest visual change is the interface that brings a new look to menus and buttons. Apple is taking advantage of the Liquid Glass introduction to bring some new icon ...

A negative hand, one of the oldest types of imagery in the world, found in El Castillo. Negative hands were often made using a spit-painting technique in which someone would place their hand on the ...

Why do some elements decay in minutes, while others last billions of years? Certain "magic numbers" of nuclear particles may ...