New studies reveal clues to how mobile rulers assembled a multiethnic empire of herders known as the Xiongnu more than 2,000 years ago.
Five people have picked up malaria in the United States without traveling abroad. The risk of contracting the disease remains extremely low.
To decipher marks on nearly 40,000-year-old stone tools and figure out what they were used for, researchers turned to the Philippines’ Pala’wan people.
Boys’ depression often manifests as anger or irritability, but teen mental health surveys tend to ask about hopelessness.
Researchers disagree whether new evidence of stone tool marks on a hominid leg bone reflects ancient cannibalism or perhaps some other, undetected behavior.
The mystery of whether the ancient civilization tracked comets endures, but recent evidence hints the Maya tracked related meteor showers.
The U.S. Food and Drug Administration cleared a shortened version of a gene for a muscle protein to be used in 4- and 5-year-olds with muscular dystrophy.
Computer scientist Eakta Jain pioneered the study of how human-horse interactions could help improve robot design and shape human-robot interactions.
There’s plenty of drama in Charles Barber’s new book, which explores why a blood-clotting invention was initially dismissed.