A brazier and charred stones, thought to be part of burial ceremonies, preserve signs that people used the drug thousands of years ago.

Sequences from dozens of ancient remains from Siberia reveal the closest ancient relative of Native Americans found outside of North America.

Archeologists study the fingerprints left on 1,000-year-old pottery to understand the artists’ contributions.

A fossil of a school of fish from the Eocene appears to represent coordinated collective movement.

Paleontologists find microscopic fungi in Arctic Canada that is reported to be about twice as old as the previously oldest known fossils of fungi.

Paleontologists find tracks from a four-footed animal thought to be of an Ichniotherium species in the Grand Canyon.

Fossil records show that the most recent shared ancestor with modern humans may have lived at least 800,000 years ago.

The fossil record for the ancient hominin A. sediba is younger than that of Homo, a “highly unlikely” scenario for a direct lineage.

Paleontologists find a fossil of a dinosaur, Ambopteryx longibrachium, with membranous wings, in China.