The use of poison on arrows marked a revolution in human hunting technology—new evidence suggests it happened tens of ...

Fossils of a human ancestor from 773,000 years ago may be near the base of the Homo sapiens lineage, representing a common ...

Backers claim the tests can predict a child’s risk of autism using a strand of hair or a mother’s blood, but critics say they ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...