Short-beaked dolphins range between 6 feet and 8 feet long and usually weigh around 170 pounds, according to the National ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

As if orcas weren’t frightening enough, experts think they are getting even smarter as they have started to learn some terrifying new behaviours. The whale species, commonly known as killer whales, is ...

A lifeless whale was found Wednesday stranded just meters off a beach in the outskirts of Buenos Aires. Experts from the ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

A new report from a group of more than 30 experts says a population of endangered killer whales off the coast of British ...

Orcas, or killer whales, are deadly and beautiful apex predators.

A new report from a group of more than 30 experts says a population of endangered killer whales off the coast of British ...