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

Nature is weird, if you haven't noticed. Waxwing birds get drunk on fermented fruit, there are sharks that lay eggs which ...

"We are witnessing an evolutionary process." Scientists discovery cause behind recent killer whale attacks: 'They should be ...

Researchers have captured extraordinary footage of sperm whales randomly headbutting each other, confirming anecdotal reports from mariners and whalers in the 18th and 19th centuries.