Fossils unearthed in Morocco are the first from a little-understood period of human evolution and may be remains of a ...

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, ...

Oxygen isotopes data enable researchers to look far back into the geologic past and reconstruct the climate of the past. In ...

A 26-ft (8-m) deep excavation in Indonesia has revealed that humans and a hominin species that pre-dates humans used the same ...

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

Researchers have uncovered compelling evidence that Neanderthals repeatedly deposited horned animal skulls in a Spanish cave over thousands of years, suggesting a culturally transmitted ritual ...