Millions of years of evolution have enabled some marine animals to grow complex protective shells composed of multiple layers ...

Fossil discovery pushes the history of Australian tree frogs back 55 million years, reshaping our understanding of their ...

With the help of more than five dozen fossils, paleontologists have uncovered a tiny three-eyed predator nicknamed the “sea moth” that swam in Earth’s oceans 506 million years ...

A 165-million-year-old femur has been discovered in Morocco, the oldest cerapodan fossil ever found. It is a key find for ...

In the natural world—where predators pounce, prey flee, and group members feed and sleep in solidarity—animal behavior is ...

An international genomics study has revealed that early Asians undertook humanity's longest known prehistoric migration. These early humans, who roamed the earth over 100,000 years ago, are believed ...

Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...