In an incredible discovery, scientists have uncovered what they believe is the oldest animal ever found on Earth. Known as Otavia antiqua, this primitive organism dating back 760 million years, was ...

Far below the surface of Mexico’s Yucatán Peninsula, a flooded labyrinth of limestone tunnels has quietly guarded one of the most haunting fossil troves of the Ice Age. In the darkness of a submerged ...

CARLSBAD, N.M. (KRQE) – A team of researchers has identified an Ice Age relative of the muskox from fossils uncovered in Carlsbad Caverns National Park. The new species, named Speleotherium logani, ...

Where did our species first emerge? Fossils discovered in Morocco dating back more than 773,000 years bolster the theory that Homo sapiens originally appeared in Africa, scientists said in a study ...

Fossils unearthed in Morocco from a little-understood period of human evolution may help scientists resolve a long-standing mystery: Who came before us? Three jawbones, including one from a child, ...