The James Webb Space Telescope has caught a distant world in the act of falling apart, its outer layers peeling away into ...

Pionic helium In this experiment, a pion – shown here with one orange and one blue particle representing its quark and anti-quark – replaces one of the two electrons in the helium atom. This new ...

Astronomers observed giant helium clouds escaping exoplanet WASP-107b, revealing atmospheric loss and offering key insight ...

The outer hydrogen layers of the stars have been ripped away by a companion star, leaving them as an exposed helium star. When you purchase through links on our site, we may earn an affiliate ...