An ancient DNA analysis of a 5,500-year-old human skeleton reveals that an ancestor of the bacterium that causes syphilis was ...

The Environmental Protection Agency has stopped estimating the dollar value of lives saved in the cost-benefit analyses for ...

Researchers find obelisks, mysterious RNA molecules in human bacteria that challenge our understanding of viruses and ...

Our species, Homo sapiens, has been evolving for more than 300,000 years, but the story of human origins starts much earlier.

It's hard being human but we can make space for whatever shows up inside us, and direct our limited time and energy toward ...

Deep cave layers on Sulawesi preserve tools, bones, and art that may show modern humans overlapping with earlier hominins.

A key legislator behind an effort to overhaul Michigan’s human trafficking laws said she is hopeful — but not confident — ...

Humans have built lucrative industries out of safari trips: candid on-the-ground looks at wild animals in their natural ...