New plankton arrived just a few millennia — maybe even decades — after the Chicxulub asteroid, forcing a rethink of evolution ...

A lung cancer trial bolsters a long-held idea that treatment timing matters, showing a simple shift could help immunotherapy ...

A student created a low-cost baby carrier that filters sunlight to safely treat jaundice where electricity and equipment are ...

After 10 years, just over half the people in a trial of antibiotics for appendicitis have not needed an appendectomy.

Shorter food chains could mean reefs are less able to weather changes in food availability, threatening an already vulnerable ...

The regurgitated material from before the time of dinosaurs provides a rare window into the feeding habits of a prehistoric ...

In Cape Verde, conservation has boosted the sea turtle population 100-fold — but the male-female balance is way off.

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Researchers used AI-driven virtual players to test more than 100 rule sets, matching gameplay to wear patterns on a Roman limestone board.

After years of confusion, a new study confirms the proton is tinier than once thought. That enables a test of the standard model of particle physics.

Hydrogen reserves in Earth’s core large enough to supply at least nine oceans may influence processes on the surface today.

Two pieces of elk hide connected by a twisted-fiber cord are the earliest evidence of sewing. But what they were used for is still a mystery.