Biodiversity

New genetic tests may reveal the secret to saving the critically endangered Siamese crocodile from extinction.

What border communities really need are solutions to address economic, health and climate problems — and the mesquite tree can help.

Researcher Emily Francis explains how the coast redwoods and sequoias fared during California’s drought and what that means for future climate resilience.

The gigantic Ozark hellbender salamander is in trouble in the wild, but one zoo — and a hard-working team — is helping to boost its populations.

Healthy parasites are one sign of a healthy ecosystem, but there’s a lot more to them than that.

Alex Dehgan’s new book The Snow Leopard Project details successful strategies for conserving endangered wildlife — and helping people in the process.

The deeply unpopular plan would benefit a few rich oil companies while threatening people, wildlife and the climate.

Louisiana-based scientist Brandon Ballengée turns his research on imperiled ecosystems and species into transdisciplinary works of art.

Carcharhinus obsolerus (that’s Latin for “extinct”) swam in the waters of the western Pacific, but it hasn’t been seen in 80-plus years.

The Sonoran Desert’s iconic species faces an uncertain future because of climate change and drought.