Thousands of bright blue Velella velella, known as by-the-wind sailors, washed up on California beaches including Baker Beach ...

The waters off the glittering coastlines of Britain's Caribbean territories have long been a mystery. But now scientists on the first expedition beyond the islands' shallows have discovered an ...

A massive sea creature spotted off the coast of California really kept its eye on boaters. Boaters got the chance to see an "absolutely incredible once in a lifetime encounter" with a humpback whale, ...