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.

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

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 ...

The 1st Dinosaur Eggs Were Soft Shelled, And So Was 'The Thing' From Antarctica A new study of dinosaur eggs, as well as a football-size egg from Antarctica, shows how some ancient creatures ...

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 ...

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 ...

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 ...