ORLANDO, Fla. – Strolling along the beach, you find seashells and seaweed left behind by the receding tides at your feet. When you gaze up at the moon, you’re looking at the primary cause for the ebb ...

The vertical rise and fall of the tides — driven by the gravitational forces of the moon and sun acting on the oceans’ waters — also causes motion of water called currents within bays, harbors and ...

The tide goes in, the tide goes out... and we can explain that! This week, we’re exploring that slow ebb and flow across the globe. * As gradual as those rises and falls can be, they’re impressive in ...