An 11,000-year-old Indigenous settlement found in Saskatchewan reshapes the understanding of North American civilizations.

The return of the bison means the return of the prairie, one of the three great grassland ecosystems on the planet.

The sloth and bison species have been extinct for at least ... La Brea Tar Pits Other ancient large mammals that became extinct around the same era - following the last ice age - include massive ...

The goal was to bring a critical species back to the North American ... one based on an ancient kinship they share with the bison. The return is expected to reap more quantifiable rewards, too.

During the autopsy of an ancient bison in March, scientists at the university ... believed that the modern white hares are a separate species. During the research, we confirmed the phylogenetic ...