Orca whales swam off the shore of a Seattle neighborhood. The orcas were Bigg's killer whales, a group that hunts sea mammals ...

With breaches and tail slapping, a pod of orca whales put on a show near Seattle on Friday. The close encounter attracted ...

Irukandji jellyfish deliver one of the most painful possible stings. Learn what the experts say about the dreaded Irukandji ...