Vesto Slipher was not well known, but his groundbreaking observations helped uncover one of astronomy’s most fundamental ...

High tides reaching up to six feet between 8:30 and 9:15 a.m. Tuesday morning is causing some low-lying flooding along ...

A beach hazard statement is in effect for San Diego's coastal areas beginning Monday morning as astronomical high tides are ...

Explore the factors behind the world's largest tidal waves, including the mystery of the Bay of Fundy's exceptional tides and ...