The night sky is about to reveal a secret that has been drifting through the cold vacuum of space for nearly the entire history of the universe. On Jan. 22, 2026, a cosmic coincidence will place Earth ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth could be about to record its fastest-ever rotation.

As of today, July 9, 2025, Earth is experiencing one of the shortest days ever recorded—and it's only the beginning. Following today’s exceptionally brief rotation, similar millisecond-shortened days ...