Earth's tiniest porpoise approaches extinction

5 reasons why biodiversity is a big deal

11 odd ways we protect endangered species

For the first time, a mammal species is extinct because of human-induced climate change

How to share Earth with other animals

Ancient flower discovered in fossilized resin could be 45 million years old

10 animals presumed extinct in the last decade

7 titanic facts about 'The Titanosaur'

Meet the planet's 25 most endangered primates

Farmer discovers woolly mammoth near Detroit

Ginseng demand boosts prices and poaching

Students revive extinct squash with 800-year-old seeds