A look back at the circuitous, bloody history of attempts to remove wolves from the Endangered Species Act.

Ecologist Jodi Hilty explains what conservationists have learned about linking critical habitat areas together.

March brings new books by E.O. Wilson and Frans de Waal, as well as important reads about wolves and primates.

For manatees and other hard-to-spot species, the answer may lie in the minute particles of DNA they leave behind as they move through their environments.

Products marketed to kill rodents are instead threatening the lives of the wildlife that eat them as poisons travel up the food chain.

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

The unexpected announcement reverses a plan to move people out of critical protected habitats — and puts the nation’s amazing biodiversity at risk.

The removal of the Edwards Dam on Maine’s Kennebec River helped river conservationists reimagine what’s possible.

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.

The ancestors of the newly described Heath’s tick date back to the time of the dinosaurs, but climate change and invasive species could soon wipe the tick out.