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Lost world of lagoons filled with mounds of microbes discovered in Atacama desertResearchers have discovered a jaw-dropping ecosystem of crystal-clear lagoons and salt plains in Argentina's Puna de Atacama desert that could offer a window onto early life on Earth and Mars.
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Head lice invaded the Americas alongside the 1st humansA genetic analysis of head lice that have evolved in tandem with humans has revealed two distinct groups of lice that merged in the Americas as a result of Asian and European migrations.
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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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