For years, science has explained the universe using four fundamental forces. Gravity shapes the motion of planets and stars. Electromagnetism powers light, energy and everyday technology. The strong ...

Scientists have developed instruments capable of measuring forces so small they are almost impossible to imagine. In specialized laboratories, devices like electrostatic force balances and microscopic ...

Growing neurons rely on chemical cues to find their targets, but new research shows that the brain’s physical properties help shape those signals. Scientists discovered that tissue stiffness can ...