Watching a massive whale breach the surface of the ocean is a moment that stays with you forever, but you do not necessarily ...

Midwinter marks the annual return of humpback whales to Hawaiʻi, swimming down from Alaska to breed in the warmer waters.

Among marine mammals, beluga whales ( Delphinapterus leucas) are particularly difficult to study in their icy habitat. To ...

After swimming about 60m, I notice a big, murky cloud. It’s blood, though it looks greenish in the water, and I realise that ...