A fossil of an armadillo-like mammal appears to bear cut marks from butchering by humans, suggesting people were living in South America at least 20,000 years ago, even earlier than once thought.

In the southern hills of the Mexico state of Coahuila, water bubbles from below the surface to create crystal clear pools ...

The two mammals were not the generalists they were so often cast as. Instead, as Gill and colleagues point out, they mark the early days of dietary specialization for the greater lineage of which ...

Red-footed tortoises have moods, at least of optimism and pessimism, just as so-called higher animals do, a new study has concluded. The work has important implications for how we regard and treat ...

The nine-banded, shelled mammals are unique to other Missouri animals, as they are not only vastly different in appearance but also in behavior.

New research suggests that the first dinosaurs laid soft-shelled eggs -- a finding that contradicts established thought. The study analyzed the eggs of two vastly different non-avian dinosaurs and ...

Glyptodonts were giant, armadillo-like shelled mammals that went extinct about 10,000 years ago. A study reveals that cut marks on a glyptodont fossil in South America could have been made by ...

A fossil of an armadillo-like mammal appears to bear cut marks from butchering by humans, suggesting people were living in South America at least 20,000 years ago, even earlier than once thought.

Fossilized bones from an extinct, shelled mammal offer us the latest clue about when humans arrived in South America. Scientists have long argued over when people first set foot on the continent ...