The wonderful world of tennis is helping nature’s tiniest mammals survive. Each year, following Wimbledon, thousands of used tennis balls are donated to UK Wildlife Trust. Volunteers at the ...

The seemingly magical regrowth of salamander tails and starfish arms after injury has always captured the attention of scientists. In recent years, they have also been excited about the spiny mouse, a ...

Scientists at Queen Mary University of London and the University of Hong Kong have created a mouse with substituted genes from a single-celled organism known as a choanoflagellate. Scientists replaced ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." What’s the most important animal in human history? The horse seems like a pretty good contender—after all ...