Learn more about lenacapavir, the most effective HIV treatment and prevention drug, and how its cost could cause a setback.

Learn how a sperm whale tooth traveled from sea to archaeological site over 4,000 years ago.

Learn how an oily substance found in earwax has become a critical resource to detect Parkinson's disease.

Learn about a new study that confirms the 146,000-year-old Harbin skull belonged to a member of the Denisovan lineage.

A key chemical in urine can help make a high-value mineral for use in medicine, construction, and more — cheaply and ...