Natural History

Humans built these mystery circles from mammoth bones 20,000 years ago

10 surprising facts about Neanderthals

7 bizarre and fantastic creatures from the Biodiversity Heritage Library

Bizarre dinosaur tracks make it look like these behemoths did handstands

Everything you ever wanted to know about tumbleweeds

Darwin may have been wrong about the origin of life on Earth

Everything you need to know about T. rex but were afraid to ask

Drought reveals 'Spanish Stonehenge'

Scientists start the clock on human impact

Millions of people inhabit this 'hidden continent' that's 94% underwater

Rhinos and weird elephants once roamed Texas