Underwater Santorini volcano eruption 520,000 years ago was 15 times bigger than record-breaking Tonga eruption

A 500-foot-thick layer of pumice rock on the Mediterranean seabed indicates Santorini volcano ejected 15 times more material than Hunga-Tonga during a previously unknown eruption.

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'Mini placentas' may reveal roots of pregnancy disorders like preeclampsia

Tiny models of the human placenta are helping scientists study which proteins and genes are key to maintaining a healthy pregnancy.

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1st-of-its-kind European spacecraft duo will create mini eclipses in space, transforming how we study the sun

Later this year, the European Space Agency's Proba-3 mission will send two spacecraft into orbit around Earth. By aligning the probes, researchers will create 6-hour-long mini eclipses, allowing the sun's atmosphere to be studied like never before.

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'Butterfly effect' may explain some genetic causes of autism

A new study suggests that mutations in regions of the genome that help control gene activity may influence the development of autism.

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Newly discovered asteroid the size of an airplane will have 'very close encounter' with Earth on Saturday — and you can watch it happen

Asteroid 2024 BJ, which astronomers detected earlier this month, will be live-streamed as it zooms within 220,000 miles of Earth, or closer to us than the average distance to the moon.

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How NASA correctly predicted that a tiny asteroid would burn up over Germany, hours before it happened

Astronomers detected a small asteroid zooming toward Earth's atmosphere on Jan. 21, correctly predicting it would explode over Germany within hours. Here's how they did it.

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Oldest DNA evidence of syphilis relative discovered in 2,000-year-old skeletons in Brazil

Scientists uncovered the oldest-ever genome of bacteria in the same family as syphilis.

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