Artifacts Point to Humans Living in Mexico 33,000 Years Ago
Artifacts Point to Humans Living in Mexico 33,000 Years Ago
If confirmed, the result means people migrated to North America much earlier than thought, but some experts remain unconvinced.
Artifacts Point to Humans Living in Mexico 33,000 Years Ago
Artifacts Point to Humans Living in Mexico 33,000 Years Ago

If confirmed, the result means people migrated to North America much earlier than thought, but some experts remain unconvinced.

If confirmed, the result means people migrated to North America much earlier than thought, but some experts remain unconvinced.

radiocarbon dating
Image of the Day: Ancient Horned Lark
Image of the Day: Ancient Horned Lark
Amy Schleunes | Mar 6, 2020
A complete bird specimen uncovered in northeastern Siberia is radiocarbon dated to be roughly 44,000–49,000 years old.
Isotopic Bomb Traces Are a Boon to Biological Dating
Isotopic Bomb Traces Are a Boon to Biological Dating
Shawna Williams | Feb 21, 2020
The decades-old signature of nuclear testing can reveal the ages of organisms, or even individual cells.
Image of the Day: Pleistocene Footprints
Image of the Day: Pleistocene Footprints
The Scientist Staff, The Scientist Staff | Mar 29, 2018
Researchers find impressions left by a human some 13,000 years ago in British Columbia.
The Oldest of Them All
The Oldest of Them All
Alison F. Takemura | Aug 12, 2016
Greenland sharks can live an estimated 400 years, beating the previous vertebrate longevity record, scientists report.