Fossils in China reveal early life that predates animals and show that ancient ecosystems were more complex than previously ...
Three rare discoveries — the earliest human Cryptosporidium infection in Roman Bulgaria, a 500-million-year-old tunicate ...
He lived hundreds of thousands of years ago, eking out an existence in what is today central China. Sporting a squat neck and a big brain, he likely wielded tools made of stone and hunted or scavenged ...