Physicists at NYU have discovered a new type of time crystal—an exotic state of matter whose particles rhythmically “tick” while levitating on sound waves.

Add Yahoo as a preferred source to see more of our stories on Google. The ancient Greeks conceived of five building blocks of matter – from bottom to top: earth, water, air, fire and aether. Aether ...

A team of New York University researchers announced in early February 2026 that they had created “levitating” time crystals, ...

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 ...