Natural History

Scientists had no idea where the world's tiniest flightless bird came from, until now

Scientists have pinpointed the exact city and year that HIV first spread

Scientists unearth 15,000-year-old tools that may have belonged to the first Americans

Oldest fossils ever found may actually be rocks

What was Earth's first animal? New study finally offers an answer

Ancient volcanic 'lost world' discovered deep beneath the Tasman Sea

Is your fossil valuable? Fossil ID days make it easy to find out

There's a newly discovered Amazon tribe, but here's why we're not contacting them

Scientists discover fossilized turtle with no shell

Hat made from real woolly mammoth hair goes on sale for $10,000

Lazy theory claims 'laziness' caused Homo erectus to go extinct

One of the largest bears to ever walk Europe was a vegetarian