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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This stylish Samsung Galaxy Watch 4 is now half-price at Amazon

Save a massive $190 on the Samsung Galaxy Watch 4 Classic at Amazon.

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Alligators survive cold snap by becoming 'frozen solid' in North Carolina and Texas ponds

When temperatures drop below freezing, alligators can enter a state of torpor known as brumation, as the water around them solidifies and suspends them in a giant, pond-shaped ice cube.

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Faint radio signal from ancient star cluster could be rare 'missing link' black hole, astronomers report

The most sensitive image of a globular cluster, a tightly packed ball of ancient stars, has revealed a strange radio signal that could be a black hole.

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Mysterious 'sudden death' of quantum vortices in a superconductor stumps scientists

The sudden disappearance of quantum fluctuations inside an atom-thin 2D superconductor has left scientists baffled.

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NASA bounces laser off 'Oreo-sized' mirror on the moon for 1st time, paving the way for high-precision lunar landings

NASA's Lunar Reconnaissance Orbiter successfully bounced a laser off of a cookie-sized mirror on Inida's Vikram moon lander in an experiment that could greatly improve the precision of future moon landings.

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Futuristic vertical-takeoff air taxi could hit the market by 2028

The aircraft can cruise at 120 mph at an altitude of up to 1,500 feet — and it's much quieter than a helicopter.

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This video of a robot making coffee could signal a huge step in the future of AI robotics. Why?

Most robots are preprogrammed to perform specific functions, but Figure's humanoid Figure 01 machine — that learns by watching and corrects its own mistakes — might upend the field.

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Bird flu wipes out over 95% of southern elephant seal pups in 'catastrophic' mass death

Over 17,000 southern elephant seal pups were found dead on Argentina's Valdés Peninsula in a horrific mass die off attributed to the deadly H5N1 avian influenza virus.

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Controversial study claims megalodon didn't look like a 50-foot giant great white shark

Scientists say they have discovered a discrepancy in previous research and suggest megalodons may have been longer and more slender than previously believed — but not everyone is convinced.

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4 never-before-seen octopuses discovered in deep sea off Costa Rica

Enigmatic octopuses that have been newly discovered in the waters off Costa Rica add to a growing registry of deep-sea dwellers.

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Space photo of the week: Observatory, or alien planet? Boggle your mind with this 360-degree image

The Vera C. Rubin Observatory, which could change astronomy forever when it comes online this August, looks like a planet all its own in this surreal new photo.

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Why is wool itchy?

Why does wearing wool clothing sometimes lead to insatiable itching?

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How does Tylenol work?

Exactly how Tylenol — also called acetaminophen or paracetamol — relieves pain continues to evade scientists, but it's clear the drug interacts with one key set of enzymes.

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