Each Olmec head is unique, leading archeologists to believe they may have been made in honor of ancient Mesoamerican rulers.

Why do some ancient animals become fossils while others disappear without a trace? A new study reveals that part of the answer lies in the body itself. The research shows that an animal's size and ...

Why do some ancient animals become fossils while others disappear without a trace? A new study from the University of ...

Giant ‘sea monster’ fossil unearthed in Mississippi mud - Mosasaurs were apex predators, and at their largest, they could ...