A floating island is playing peekaboo on Williston Lake in British Columbia. NPR's Ayesha Rascoe chats with BC Hydro's Bob Gammer about this natural mystery.

Researchers at the Woods Hole Oceanographic Institution have uncovered the oldest known recording of whale song. And it reveals a noisier soundscape of today's oceans.

An animal not seen in Ohio in over a century, the fisher, has been spotted on a local wildlife camera. The sighting has raised hopes that the native mammal is naturally returning to the state.