For nearly 40 years, paleontologists have argued over a single...

Some seabreams start life as one sex and finish as...

A long, thin ribbon worm from the coast of Spain...

On the remote Rēkohu Chatham Islands, an ancestral duck that...

A new dome-headed dinosaur species discovered in northern Montana is...

Researchers filmed a small pond frog in Japan as it...

High on a cold Peruvian ridge, scientists found a new...

Kissing might feel like a cultural invention, but new research...

Tigers once roamed across huge stretches of Asia, but their...

Emotions guide human judgment in countless subtle ways. A cheerful...

As autumn settles in, cool winds sweep across the grasslands,...