Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in ...

Traces of a toxic chemical found on 60,000-year-old arrowheads hint at advanced planning by Palaeolithic hunters.

Scientists drilled to the bottom of Greenland's 1,600-foot deep Prudhoe Dome and found it disappeared in the early Holocene, ...

Five quartz arrowheads found in a South African cave were laced with a slow-acting tumbleweed poison that would have tired ...

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic information from living sponges, as well as chemical signals from ancient rocks, ...