The record sheds light on the climate early humans experienced when they were spreading out of Africa. A tree-ringed African ...

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

Archaeological finds off the coast of Java, Indonesia, provide insight into the world of Homo erectus, 140,000 years ago.

Earth's magnetic field was so weak it almost disappeared. Then, seemingly out of nowhere, complex life emerged.

Giant viruses, like the ones found in Yellowstone's hot springs, have been turning up in many odd corners of the planet.

The Happiest Place On Earth' by Don Hahn and Christopher Merritt traces the development of Disneyland, starting in the early '50s.