Paleontologists at Mammoth Cave National Park have unearthed an ancient shark species previously unknown to science.
The US National Park Service announced the identification of a new species of ancient shark, Clavusodens mcginnisi, ...
It was identified from a collection of small fossilized teeth found within the Ste. Genevieve Formation, a layer of limestone ...
In the Adirondacks, where the eastern chipmunk occurs at elevations to 1220 m (4000 ft), it prefers deciduous and mixed forests, and is most abundant in mature (old-growth) hardwoods containing sugar ...
SILVER CITY, N.M.— Following a decade of advocacy from the Center for Biological Diversity and allies, the U.S. Fish and Wildlife Service today added the Peñasco least chipmunk of southeastern New ...