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 ...

Very low tides, along with increasingly early sunrises, are expected on the North Olympic Peninsula beginning Monday. It all adds up to a week of opportunity for tide-poolers. Spring minus tides — ...

Melissa Breyer was Treehugger’s senior editorial director before moving to Martha Stewart. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, ...

A yellow-edged cadlina, a type of nudibranch or sea slug, is seen laying on the bottom of a tide pool at Fitzgerald Marine Reserve on the San Mateo County coast during an exceptionally low tide on Dec ...

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 ...