With all the splashing, it was hard to tell what was happening under water. As the orcas surfaced to take a breath, dolphins were darting around their heads, but the water was so murky that the ...

In this rare behaviour, the dolphins push themselves vertically out of the water and ‘walk’ along using their tail.

A quick splash, a sleek fin cutting through the surface, and then—gone. Dolphins don’t perform on cue, but when you spot one, even for a moment, it truly does make the ocean feel alive. Some places ...

A study of dolphins’ epigenetic ages found that animals with more high-quality friendships were biologically younger than their lonely peers ...