Modern genetic studies show that up to 4% of human DNA comes from Neanderthals—and some of those ancient genes affect how our ...

Researchers uncovered a 2.75–2.44 million-year-old site in Kenya showing that early humans maintained stone tool traditions for nearly 300,000 years despite extreme climate swings. The tools, ...

A new nano-based drug delivery technology could outwit tuberculosis (TB)—one of humanity's most ancient diseases.