This isn’t the first time people in Mexico City stumbled upon mammoth remains. In the 1970s, workers building the city’s ...

Mexico City — Mexican authorities have discovered ... Authorities discovered 11 graves containing 12 skeletons in Ascension municipality near the U.S. border, the state prosecutor's office ...

A complete Mixodectes pungens skeleton reveals it was a leaf-eating, tree-dwelling mammal closely related to primates and ...