TUCSON, AZ (AZFamily) — A new study by the University of Arizona shows human life in North America may have developed much earlier than we thought. Researchers first found a set of human footprints at ...

At the Cerutti Mastodon site in California, researchers found broken mastodon bones and stone cobbles dated to 130,000 years ago—suggesting human activity far earlier than accepted timelines. Critics ...

New Mexico’s most famous fossilized footprints are every bit as old as they seem, according to a new University of Arizona study that bolsters the case for the earliest evidence of humans ever found ...

WHITE SANDS, N.M. (KRQE) – What if humans left their first mark on the Americas earlier than we think? An anthropologist said footprints uncovered here in the Land of Enchantment tell a new story.

What did early humans like to eat? The answer, according to a team of archaeologists in Argentina, is extinct megafauna, such ...