Crustaceans called beach hoppers can be a significant portion of island foxes' diets, research finds.

It’s usually good news when a once-scarce species starts to recover – unless it starts getting in humans’ way. An ecologist explains how science can help predict unwelcome encounters.

Extra genes may be the secret to aging well for Galápagos giant tortoises, which can weigh over 300 pounds and live cancer-free for more than 100 years.

The world promised progress at the Glasgow climate conference. Now it has to turn those promises into reality. A former senior UN official describes what to watch for in the coming year.

The world promised progress at the Glasgow climate conference. Now it has to turn those promises into reality. A former senior UN official describes what to watch for in the coming year.

The world promised progress at the Glasgow climate conference. Now it has to turn those promises into reality. A former senior UN official describes what to watch for in the coming year.

Some of Darwin's finch nestlings have a yellow beak. The discovery of why that is may offer clues about the differences in how species evolve.

More than half of the world’s population lives in cities, and that share is growing. Rapid climate change could make many cities unlivable in the coming decades without major investments to adapt.

Rich countries have promised to compensate poor ones for the impacts of climate change.