His career was dedicated to understanding and protecting frog populations.

The newly discovered microbe seems to be responsible for a mysterious neurological disease that has killed dozens of critically endangered Western chimpanzees.

Overfishing is the biggest factor driving these species toward extinction, researchers conclude from a new study.

Scientists from countries with fewer resources are pushing collaborators from higher-income countries to shed biases and behaviors that perpetuate social stratification in the research community.

Images from a Cold War spy satellite help researchers piece together the effects of land-use decisions in Kazakhstan.

This month, voters in the state approved the predators’ reintroduction, but the species’ recent delisting as an endangered species at the federal level binds up available funding.

A global decline of large carnivores has motivated scientists to understand the animals’ ecological roles, and consider whether reintroducing them can help restore ecosystems.

As some conservationists and researchers begin to return large carnivores to areas where they once roamed, scientists intensify efforts to study the ecological roles of predators.

The release of gray wolves in Yellowstone decades ago still stands as one of the few examples of a predator reintroduction, and the lessons learned continue to be debated. New projects aim to do it again.