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Some people live to be well beyond 100. But what genes and environmental factors contribute to such extreme longevity, and what can we learn from other long-lived animals?

Indigenous oral histories and archaeological evidence are rewriting the story of how horses came to the American West.

Paleontologists have suggested that thin, lizard-like lips concealed the gigantic teeth of T. rex and other predatory dinosaurs, but not all experts are convinced.

Human longevity records may be broken in the next few decades, a new modeling study suggests.

Researchers used the AI system AlphaFold to develop a tiny "syringe" that can inject proteins into cells.

The bounds on Ramsey numbers, which describe relationships between nodes in a network, have been narrowed.

Last year, scientists described a weird goblin shark in a scientific journal despite never setting eyes on it. Experts now question the review process that approved the study.

Was Stonehenge an ancient solar calendar, as a 2022 study claimed? Not at all, says a new study by two scientists who specialize in ancient astronomy.

Endometriosis often has vague symptoms that overlap with other conditions, and there are no non-invasive ways to definitively diagnose the condition.

A pair of orcas off the coast of South Africa have been ripping open sharks and feasting on their livers for the last eight years. A great white shark that survived an attack by the serial killer brothers has now been identified through huge scars across its massive body.