Time feels steady and familiar in daily life, but at the quantum level it becomes slippery. That puzzle now has a fresh twist ...

The former Hong Kong media mogul Jimmy Lai has become what observers say is a symbol of the 2020 crackdown on press freedoms ...

Election rules are back in the spotlight, and national voter ID is once again at the center of the fight. With the 2026 midterms getting closer, Republicans in Congress are pushing bills that would ...

Satellites have confirmed what mariners long suspected but could never fully prove: the open Pacific can spawn waves as tall ...