Mounting evidence proves that natural-gas and oil extraction threatens wildlife and ecosystems — much as it harms human health.

The public has long supported a state program to provide water for wildlife, but now human threats, including border-wall construction and climate change, are making a bad situation worse.

Releasing captive-bred monarchs doesn’t benefit wild butterflies — in fact, it may make the problem worse.

A collaborative fisheries-management plan could decrease illegal fishing and help a decades-old impasse between Argentina, the United Kingdom and the Malvinas/Falkland Islands.

This month brings new books from Greta Thunberg, Robert Macfarlane, the activists behind Extinction Rebellion and other conservation experts.

In the new book, Protecting Pollinators: How to Save the Creatures That Feed Our World, Jodi Helmer explains how small changes in temperature can disrupt the partnership between plants and pollinators.

Climate change is bringing the tick-borne illness to new parts of the country every year, outpacing data collection and response by the Centers for Disease Control.

Railways can be deadly for animals ranging from elephants to grizzlies and frogs, but we’re just beginning to understand the causes and solutions.

Many ecologically important insects spend most of their lives in streams, but new research shines a light on how humans put them at risk.

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.