Spinosaurid dinosaurs were able to develop up to three generations of teeth at the same time, a high replacement rate that explains why so many teeth of this type have been found in Cretaceous sites,

An archaeological study has determined that cowrie-shell artifacts found throughout the Mariana Islands were lures used for hunting octopuses and that the devices, similar versions of which have been found on islands across the Pacific, are the oldest known artifacts of their kind in the world.

A recent study led by scientists with The University of Texas at Austin finds that a mammoth butchering site in New Mexico offers some of the most conclusive evidence for humans settling in North America much earlier than conventionally thought.

First ancient genomes from virus behind cold sores or ‘fever blisters’ to be sequenced suggest a Bronze Age flourishing that saw modern strains of the disease start to go global, linked to migrations into Europe and possibly the emergence of kissing.

A newly identified 16th century horse specimen is among the oldest domestic horses from the Americas known to date, and its DNA helps clarify the history of horses in the Western Hemisphere, according to a study published July 27, 2022, in the open-access journal PLOS ONE by Nicolas Delsol of the University of Florida, U.S.A., and colleagues.

Beaver fur was a symbol of wealth and an important trade item in 10th Century Denmark, according to a study published July 27, 2022 in the open-access journal PLOS ONE by Luise Ørsted Brandt of the University of Copenhagen and colleagues.

Feral horses have roamed freely across the island of Assateague off the coast of Maryland and Virginia for hundreds of years, but exactly how they got there has remained a mystery. In a new study, ancient DNA extracted from a 16th century cow tooth from one of Spain's first Caribbean colonies turns out to be from a horse. Analysis of the DNA suggest that old folk tales claiming that horses were marooned on Assateague following the shipwreck of a Spanish galleon are likely more fact than fiction.