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Volcanic rocks in Colombia are rewriting the timeline of the collision between Central and South America. Their magnetic signatures show that major tectonic deformation had already weakened by the late Miocene, suggesting the most intense collision . ...

Researchers discovered that combinations of toxin-blocking proteins naturally found in rattlesnake blood can powerfully neutralize venom from several dangerous snake species. In lab tests, the mixtures were about 10 times more potent than a current . ...

Scientists have identified a giant new dinosaur from Brazil that reached about 20 meters long and lived 120 million years ago. Its surprising evolutionary ties to a Spanish dinosaur suggest its ancestors crossed ancient land connections between ...

The extinct "American cheetah" was not really a cheetah at all, but a puma relative with an unexpectedly flexible lifestyle. Fossils from the Yukon suggest northern populations survived partly by eating fish, possibly including salmon, while southern ...

A critically endangered roloway monkey has given birth just months after surgeons performed an unusual operation that saved her foot from amputation. Her new daughter, Lagertha, is an important addition to a species believed to number fewer than 2 .. ...

A rediscovered memoir reveals that celebrated War of 1812 veteran Shadrack Byfield was far more rebellious and troubled than history has portrayed, battling chronic pain, poverty, authorities, and even rivals at his local chapel. The soldier who ...

Scientists have found evidence that some gut bacterial populations can spread rapidly between people and across continents, suggesting the microbiome may be more transmissible than previously thought. The research also revealed hidden bacterial ...

East Antarctica gained an astonishing 695 billion tons of ice between 2021 and 2023, temporarily slowing Antarctica's long-term decline. Researchers found that warming thousands of miles away in the tropical ocean altered atmospheric circulation and ...

Indonesia's dangerous peat fires are surging early in the 2026 fire season as a strengthening El Niño and severe drought dry out wetlands that can burn underground for months. These slow smoldering fires are especially destructive because they ...

Archaeologists have identified tiny 80,000-year-old projectile points in Uzbekistan that may have been used like arrowheads. Their size, design, and impact damage closely resemble weapons found much later at a Homo sapiens site in France. The ...