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Researchers have uncovered the world's oldest known cave art--a 67,800-year-old hand stencil in Indonesia. The unusual, claw-like design hints at early symbolic thinking and possibly spiritual beliefs. This discovery also strengthens the case that .. ...

A new study reveals that farming in Argentina's Uspallata Valley was adopted by local hunter-gatherers rather than introduced by outside populations. Centuries later, a stressed group of maize-heavy farmers migrated into the region, facing climate .. ...

A hidden freshwater system deep beneath the Great Salt Lake has been revealed using airborne electromagnetic surveys. Scientists found that freshwater extends much farther under the lake than expected, reaching depths of up to 4 kilometers. The ...

Antibiotics are accumulating in a major Brazilian river, especially during the dry season when pollution becomes more concentrated. Scientists even detected a banned drug inside fish sold for food, raising concerns about human exposure. A common ...

A newly discovered Triassic reptile from the UK looked more like a racing greyhound than a crocodile, built for speed on land. With long legs and a lightweight body, it hunted small animals in a dry, upland environment millions of years ago. ...

Scientists have uncovered the oldest direct evidence yet that Earth's tectonic plates were on the move 3.5 billion years ago. By analyzing magnetic fingerprints in ancient rocks, they reconstructed how parts of the planet slowly drifted and even ...

A mysterious spike of platinum buried deep in Greenland's ice has long fueled theories of a catastrophic comet or asteroid strike 12,800 years ago--possibly triggering a sudden return to icy conditions known as the Younger Dryas. But new research ...

Ravens have long been thought to follow wolves to find food, but new research shows they're far more strategic. By tracking both animals in Yellowstone, scientists discovered that ravens memorize areas where wolf kills are likely and fly directly to ...

Malaria parasites contain tiny spinning crystals that have puzzled scientists for years. New research reveals they're powered by a rocket-like reaction that breaks down hydrogen peroxide, releasing energy. This motion may help the parasite detoxify . ...

Tropical peatlands, some of the planet's largest underground carbon stores, are now burning at levels never seen in at least 2,000 years. By analyzing charcoal preserved in peat across multiple continents, scientists discovered that fires had ...