Queen bees are much larger than worker bees, and live years longer, for one reason. They gorge on a sugary protein called "royal jelly." Now a scientist has made ultra-large flies using royal jelly too. Are humans next?
15,000 years ago, humans camped in a lush Texas valley, leaving thousands of artifacts behind, from tools to face paint. This could be definitive proof that ancient people arrived in America by boat, not by walking the Bering Strait.
Biologist Denise Herzing has been studying wild spotted dolphins for years in the Bahamas. Like many people who research dolphins, she's heard the animals communicating with each other but hasn't figured out how to understand what they're saying. And yet dolphins have learned our languages: Many studies have shown…
A single finger bone found in this Siberian cave led to an amazing discovery. Early humans and Neanderthals co-existed with another humanoid species called Denisovans. And many present-day humans carry genes that prove our ancestors had children with Denisovans, too.