Conservation

Southern Resident killer whales have a shortage of food and an overdose of deadly pollutants.

A new book argues, unconvincingly, that biodiversity is actually increasing.

Can extinct species ever truly be brought back to life? More importantly, should they?

Ewaso Lions founder Shivani Bhalla aims to help people learn to live with local predators.

Rescuers turn out for Houston’s famous Waugh Bridge bat colony.

Manmade “dam analogues” could help beavers recolonize former habitats — and help fish in the process.

Not only that, they’re giving each other tips on how to get away with it.

Science shows that killing wolves does more harm than good.

Tigers aren’t sexy, especially if you're posing with one in captivity.

Research in Costa Rica illustrates the value of monkey social behavior — and of stolen bananas.