Team in China aims to start trial of pig organs in humans this year

Modern humans moved into cave one year after Neanderthals abandoned it

Neanderthal extinction not caused by brutal wipe out. New fossils are challenging ideas that modern humans wiped out Neanderthals soon after arriving from Africa.

Meet the 24-Year-Old Who Drives NASA Rockets to the Launch Pad in a 6.5 Million Pound Crawler