A deep sea oarfish washed up in Southern California. Japanese folklore suggests seeing the rare fish is a bad omen, some accounts say.

A shark attacked a diver near the Chatham Islands, prompting emergency response from Hato Hone St John and the New Zealand Flying Doctors Service.

Scientists aboard a U.S. Coast Guard icebreaker have discovered an unusual volcano-like structure in the Arctic Ocean, potentially emitting gas and rising 500 meters from the seafloor.