Superhydrophobic surfaces—those famously "never-wet" materials that make water bead up and roll away—have a stubborn weakness: hot water. Once temperatures climb above roughly 40 degrees Celsius, many ...

Particle never before seen on Earth detected; it could come from a primordial black hole and the origin of the universe.

Tiny aerosol particles in the air play a big role in regulating how much sunlight our planet absorbs or reflects, and how clouds form above us. In a recent study, researchers found that extreme heat ...