A fossilized human skull discovered in China could force scientists to rethink the timeline of our origins. The million-year-old specimen, named Yunxian 2, may push the emergence of Homo sapiens back ...
From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of ...
Scientists have reexamined a badly crushed skull discovered back in 1990 in Hubei Province, China — known as Yunxian 2 — and ...