Virtual particles exploit the natural fuzziness of the subatomic world, where if these ephemeral particles live briefly ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

Scientists have found a way to make hydrogen peroxide from vibration instead of electricity or light, using motion and water to create a clean oxidant.

The race is on to harness the near-infinite power of nuclear fusion—by building a star on Earth. And scientists are closer ...

This is the second article in a four-part series. The first article, “America’s Quantum Moment,” was published on Oct. 13, ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...