This critically endangered, fanged deer species is losing out to the snaring crisis in Laos and Vietnam.

This is not your regular anteater. It’s one of the world’s only scaly mammals, representing millions of years of evolution.

The values of Zimbabwe’s and Namibia’s ivory stockpiles have been grossly overstated, and their proposed sale would lead to another poaching epidemic.

This vulnerable, fish-eating small carnivore still lives in stream-fed forests of northeastern Bangladesh and other countries. But it faces increasing threats.

From climate change to wildlife trafficking, these new books tackle the toughest problems of the day, along with vital solutions.

The story of commercial whaling and the iconoclasts who opposed it offers hope for whales facing today’s new threats — and the future of our planet.

These crimes threaten tens of thousands of species around the world, causing extinctions, hurting people and spreading disease.

A rampant trade in Asian birds for their beautiful songs is emptying forests of sound and life.

Our contributors offered expert ideas and perspective about pandemics, climate change, the Trump administration and more.

Giant forest elephants and blue whales play an enormous role in climate sequestration. Can putting a financial value on that role help conserve them — and us?