In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

The earliest human ancestors weren't big meat eaters, according to new scientific research on their fossilized remains.

Counter to today's depictions of cave-dwellers feasting on raw meat, early relatives of present-day humans ate little or no ...

Nitrogen isotope analysis of tooth enamel reveals no evidence of meat consumption in Australopithecus. New research published ...