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Latest about The Americas
'Roots' of Colombian mountains 'dripped' into the mantle millions of years ago — but the peaks still stand tall
Earth's crust once formed a dense "root" supporting Colombia's northern Sierra Nevada de Santa Marta mountains, but new research suggests this prop sank into the mantle millions of years ago.
23 million-year-old petrified mangrove forest discovered hiding in plain sight in Panama
Fossils discovered on Barro Colorado Island suggest central Panama was once home to a vast mangrove forest that was preserved when a volcanic mudflow buried it 23 million years ago.
Lost world of lagoons filled with mounds of microbes discovered in Atacama desert
Researchers 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.
Head lice invaded the Americas alongside the 1st humans
A 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.
22,000-foot volcano summit is home to Earth's highest-dwelling vertebrates, study confirms
Mummified 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.
The 1st Americans were not who we thought they were
Feature 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.
13 of the oldest archaeological sites in the Americas
Archaeological 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.
'This is complete nonsense': Scientists rail against 'alien' bodies shown before Mexican congress
Scientists blast claims of two 'alien' bodies that a journalist presented to Mexico's congress.
