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.

Add Yahoo as a preferred source to see more of our stories on Google. Saturn's moon Titan looks a bit like Earth, but is, in fact, very different. Saturn's moon Titan is an odd world. Studied in close ...

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 ...