Footprints found in the ancient lakebeds of White Sands may prove that humans lived in North America 23,000 years ago — much earlier than previously believed. A new study using radiocarbon-dated mud ...

India’s complex ancestry—intertwined with Iranian farmers, Steppe herders, and local hunter-gatherers—has now been decoded ...

Researchers are using an advanced brain imaging method called MEG to understand why Parkinson’s drug levodopa doesn’t work ...