On May 3, 1999, 76 tornadoes tore across the U.S. Plains states, killing about 50 people and injuring hundreds.

Explore 25 universe mysteries scientists are still scratching their heads over, from dark matter to the Big Bang's secrets.

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Dunkleosteus ruled a restless Devonian ocean, where armor met innovation. Here’s how modern science is rewriting the story of ...

JSWT's direct observation of LHS 3844 b's surface is a massive stepping stone for exoplanet geology.