Of all the remarkable things about tide pools, No. 1 on the list has to be this: Each visit offers an opportunity to observe something new. Will an octopus peek out from under a rock? Will warty sea ...

Go to a rocky West Coast beach at low tide, and you’ll see a constellation of small, glassy pools of water, the residual ocean left behind when it was tugged away by the moon. These pools are an ...

Tide pools (also tidal pools or rock pools) are rocky pools by the ocean that are filled with seawater. Tide pools can either be small and shallow or large and deep. The small ones are usually found ...

The first time I visited a tide pool near Los Angeles, I didn’t actually know that’s what I was looking at. “Why are all those people gathering over on those rocks?” I remember wondering. “What are ...