The Smithsonian's National Museum of Natural History has added a new, rare fossil to its collection: a dome-shaped skull of a ...

From fruit flies that bite to a tiny mouse opossum and a feathered dinosaur preserved with the remains of its last meal, more ...

Today when people talk about the movement, they think first of visual artists, especially Salvador Dalí. and René Magritte.

The tallest plants alive today can grow to over 100 meters tall. But they evolved from ancestors that were just a few ...