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22,000-foot volcano summit is home to Earth's highest-dwelling vertebrates, study confirmsMummified mice found atop volcanoes in South America have long hinted that rodents forage on peaks as tall as 22,000 feet, but it turns out mice permanently live at these extreme heights.
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The 1st Americans were not who we thought they wereFeature For decades, we thought the first humans to arrive in the Americas came across the Bering Land Bridge 13,000 years ago. New evidence is changing that picture.
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13 of the oldest archaeological sites in the AmericasArchaeological discoveries throughout the Americas are pushing back the date for when humans reached the New World by thousands of years, rewriting the long-standing theory that people arrived only 13,000 years ago.
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'This is complete nonsense': Scientists rail against 'alien' bodies shown before Mexican congressScientists blast claims of two 'alien' bodies that a journalist presented to Mexico's congress.
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What's the earliest evidence of humans in the Americas?Previously, researchers thought that humans arrived in North America 13,000 years ago, but now they're finding much older evidence.
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Humans were in South America at least 25,000 years ago, giant sloth bone pendants revealHumans were living in Brazil earlier than previously thought, prehistoric sloth-bone pendants suggest.
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AI identifies 3 more 'Nazca Lines' figures in PeruThe deep-learning system is 21 times faster than a human at finding ancient "geoglyphs" in aerial photographs of Peru's Nazca Desert.
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When did the Isthmus of Panama form between North and South America?The linkage of the Americas had outsize impacts globally, and its controversial timing has similarly large implications for science.
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Some of the 1st ice age humans who ventured into Americas came from China, DNA study suggestsThe first wave of humans into the Americas during the last ice age may have hailed partly from northern China, according to a DNA study of ancient and modern Indigenous people.
