A mostly complete and moderately well-preserved fossilized specimen is thought to represent the first Triassic horseshoe crab found in North America, according...
An analysis of mitochondrial and nuclear DNA from fossils of extinct New World stilt-legged horses reveals that, contrary to previous findings, these enigmatic...
The Pacific Northwest, a geographic region in western North America, was home to one of the planet’s most powerful known volcanic eruptions, according...
A team of archaeologists and anthropologists, led by the University of Utah, has discovered potato starch residues in the crevices of a 10,900-year-old...
Scientists reporting in the Journal of Mammalogy on May 30 have identified a new species of flying squirrel living in the Pacific Coast region of North...
Researchers digging at the Cerutti Mastodon site, an archaeological site from the early late Pleistocene epoch near San Diego, California, found animal...
According to a new analysis of nuclear DNA from ancient individuals, many of today’s indigenous peoples living in southern Alaska and coastal British...
Humans first arrived in North America 10,000 years earlier than previously thought, according to an analysis of ancient animal bones found in northern...
New research confirms that the hen harrier (Circus cyaneus), a medium-sized bird of prey found in parts of North America and Eurasia, is two different...
A nearly 50-million-year-old bird fossil unearthed in Wyoming represents a new species that is a close relative of living kiwis, ostriches, and emus, according...
Seven fossil teeth recovered from the Miocene layers of the Las Cascadas Formation in the Panama Canal Basin are the first evidence of a monkey on the...