Oceanic tides are periodic sea-level oscillations driven primarily by the gravitational forces of the Moon and Sun and the Earth’s rotation, expressed as propagating long waves in the ocean basins.

CAPE TOWN, South AfricaCAPE TOWN, South Africa — Big ocean waves caused by a phenomenon known as “spring tide” crashed into coastal parts of South Africa over the weekend, leaving two people dead and ...

Submerged in about 44 yards of water off Scotland's coast, a turbine has been spinning for more than six years to harness the power of ocean tides for electricity -- a durability mark that ...

The Earth and moon have been locked in a gravitational dance for billions of years. Each day, as the Earth turns, the moon tugs upon the oceans of the world, causing the rise and fall of tides. As a ...