Scientists say they've confirmed fossilized human footprints found in New Mexico are between 21,000 and 23,000 years old - CBS News
- Scientists say they've confirmed fossilized human footprints found in New Mexico are between 21,000 and 23,000 years old CBS News
- Footprints found at ancient lake in New Mexico challenge old belief of first humans in Americas Fox News
- Ancient footprints upend timeline of humans' arrival in North America The Washington Post
- Scientists say they’ve confirmed evidence that humans arrived in the Americas far earlier than previously thought CNN
- These Footprints Challenge Theory of First Americans Newser
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