Find out what’s speeding up Earth’s rotation and why it may force timekeepers to delete a second ...

Climate change is slowing Earth's rotation at record speeds, causing GPS timing errors and navigation delays on your ...

Flash Physics is our daily pick of the latest need-to-know developments from the global physics community selected by Physics World‘s team of editors and reporters A proposal for a compact yet highly ...

Researchers created a technique to reduce uncertainty in cosmic birefringence measurements, resolving a key phase ambiguity and improving future studies of fundamental physics.

Learn the fundamentals of physics with this Understanding Rotational Motion and Kinematics Beginner Physics Guide—a clear and easy introduction to how objects rotate and move in circular paths. This ...