Scientists use new methods to discover what's inside drug containers used by ancient Mayan people.
Archaeologists suggest this may have been the Americas' "oldest hotel."
Researchers discover a massive ceremonial structure of the ancient Mayans using lasers.
While building a new airport, construction crews uncover a gigantic collection of ancient bones.
Trump said USMCA is "the most important trade deal we've ever made by far."
15 million Aztecs were probably killed by a form of salmonella the Spanish brought from Europe.
A new study suggests that sensitivity to the emotion of disgust affects one's attitudes on immigration.