Watch two camera trap videos that show a two-toed sloth fending off an attacking ocelot in the Ecuadorian Amazon.

A new device that takes advantage of a low-tech feature in today's cars—the power outlet—could foil thieves, researchers say.

Cases of leprosy are increasing in Florida. Dermatologist Andrea Maderal puts that information into reassuring context.

What are the issues at the heart of the strikes that have shuttered the American film and television industry? Experts dig in.

For the first time since 2003, local transmission of malaria has been found in the United States, with six cases in Florida and one in Texas.

"Deepfake porn" is on the rise. Here's how it harms the people it purports to depict.

Cities around the world are battling extreme heat this summer. An expert explains why and how record temperatures aren't the whole story.

Grocery delivery is less energy efficient than people shopping for themselves, a study finds.

Dogs can easily suffer heatstroke during the summer months. An expert offers tips how to keep your pooch cool when it gets hot.

An autonomous robot could help control the spread of invasive spotted lanternflies by destroying their eggs.