Human saliva has been evolving for millions of years -...

High in the Andes, researchers braved rugged terrain and unpredictable...

Urban herring gulls aren’t just watching your lunch; they’re listening...

European starlings just beat parrots at their own game -...

Not all frogs lay eggs that hatch into wiggly tadpoles,...

Far beneath the Pacific Ocean’s surface, where light fades and...

Paleontologists can often tell you what a creature was and...

Out of the roughly 12,000 species of reptiles known to...

A single fossil tooth is reshaping what scientists know about...

Killer whales, also called orcas, may look the same to...

Saliva does far more than wet your mouth. It helps...