When NASA's DART spacecraft slammed into the asteroid moon Dimorphos in September 2022, it didn't just change the asteroid's ...

Clock time is also getting shorter, kind of. Broadly speaking, Earth takes roughly 24 hours to spin around on its axis. Ocean ...

The Earth is predicted to increase its rotation speed in July and August, once again bucking the trend of a slower rotation over time. Tomorrow on July 9, the first of three especially short days, it ...