During risky expeditions in an underwater cave in Mexico, scientists unearth the skeleton of a 13,000-year-old prehistoric teenager to gain insight into the earliest known humans in America.
2018-02-07
2020-10-28
2019-02-02
2020-11-18
2014-11-30
2024-03-08
2010-06-14
2021-05-15
2022-06-25
2020-10-10
1995-01-01
2020-11-21
2019-06-23
2018-02-25
2020-12-01
2015-09-10
2014-01-01
2007-01-01
2019-01-27
2022-05-09
2014-10-26