Scientists identified trouble-making body cells—and hope to control them to slow the progress of old age.

Quicklime may be able to store large quantities of heat, like a large, natural battery.

Periodical cicadas emerge in huge batches after years of dormancy underground.

A breeder battles endangered frog poaching by flooding the buyer’s market with legal specimens.

Earth’s coral reefs are in danger, but in Israel, there’s a rare glimmer of hope.

A California exhibit explores the many fascinating and surprising characteristics of "man's best friend."

Explore the latest changing ideas, discoveries, and speculation concerning dinosaurs.

Scientists get down and dirty as they seek new ways to fight disease.

Denmark is building a 43-mile fence to try to prevent the spread of African swine fever, which could devastate the nation's pork industry.

Much of the world doesn't have enough fresh water. But desalination—creating fresh water from salt water—is presenting a new set of troubles to deal with.