One in 20 people will need some kind of tissue transplant in their lifetime, and increasingly surgeons are turning to animals for help. This is no ordinary lab mouse. Ideally, it would be ...

In the movie Hoppers, scientists “hop” human consciousness into animal-like robots to talk to other species. We asked the experts their thoughts on how conceivable the plot is. Some scientists believe ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Not only are they the longest-living mammal on Earth, ...

It wasn't looking good for Major. The terrier had been badly attacked by another dog, and his back leg was severely injured. To make matters worse, a record-breaking snowstorm had made it impossible ...