an orca facing the camera as it leaps from the water with water splashing against a blue sky Interest in orcas is currently surging, with attacks on boats off the coasts of Spain and Portugal, and a ...

Megalodon, the largest shark that ever lived, is famous for its huge, human-hand-sized teeth. However, there is little fossil evidence of its whole body. International researchers have now used an ...

Studying fin scrapes in a closed group of orcas shows that postmenopausal mothers put energy into helping their sons, but not daughters or grandchildren. A pod of orca, including a young calf, forage ...