Cloned and genetically modified animals are jumping the lab and entering the black market, possibly forever altering our ...

Historically, steppe mammoths were thought to have evolved into the woolly mammoth in Eurasia around 700,000 years ago, and the Columbian mammoth in central and southern North America around 300,000 ...

The partial skeleton was found in the uppermost Cretaceous stratum of the Lago Colhué Huapi Formation of south-central Chubut ...