The Soviet Union once hunted endangered whales to the brink of extinction — but its scientists opposed whaling and secretly tracked its toll

A NatGeo documentary reveals ‘Secrets of the Whales’

Baby dolphins babble when they learn language, just like humans do

The humpback whale population is recovering

In New York, a whale of a comeback story

How pop music helped save the whales

How to save endangered species

Whales at Home in the Caribbean

Humpback Whale Song

Learning from environmental conservation’s successes and failures