A recent archeological dig in Mexico shows that gomphotheres — an extinct elephant-like animal believed to have disappeared from North America long before humans got there — actually roamed the continent longer than previously thought. Incredibly, the new evidence suggests these large mammals were hunted by the Clovis…
It's one of the most controversial ideas in archaeology. Humans from Europe supposedly could have crossed the frozen Atlantic and reached America first. It's a fringe idea...but now two archaeologists have released a book explaining how it could have happened.
We know that humans reached North America between 40000 and 16000 years ago...and that's about all we know for certain. Anything in American prehistory before about 10000 years ago remains deeply controversial. But some mastodon bones found in the 1970s recently revealed major clues.