Science

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What Are Jellyfish Galaxies and How Do They Form? Science

What Are Jellyfish Galaxies and How Do They Form?

Jellyfish galaxies trail long tentacles of gas and newborn stars as they hurtle through galaxy clusters. Here is how ram-pressure stripping creates th...

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How Sleep Brain Waves Predict Dementia Risk Science

How Sleep Brain Waves Predict Dementia Risk

Scientists can now estimate 'brain age' from electrical patterns recorded during sleep, and a gap between brain age and actual age may signal dementia...

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What Is Doggerland—Europe's Lost Land Under the Sea Science

What Is Doggerland—Europe's Lost Land Under the Sea

Doggerland was a vast prehistoric landmass connecting Britain to mainland Europe, now submerged beneath the North Sea. Rising seas and a catastrophic...

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How Comets Break Apart—and What Scientists Learn Science

How Comets Break Apart—and What Scientists Learn

Comets are fragile relics of the early solar system. When they fragment, scientists gain rare access to pristine material billions of years old, revea...

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How Freshwater Hides Beneath Oceans—and Why It Matters Science

How Freshwater Hides Beneath Oceans—and Why It Matters

Vast reserves of freshwater lie trapped beneath the seafloor worldwide, totaling an estimated 500,000 cubic kilometers. Scientists are now mapping the...

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How Beaver Dams Store Carbon and Reshape Rivers Science

How Beaver Dams Store Carbon and Reshape Rivers

Beavers are nature's most prolific engineers, building dams that create wetlands, store massive amounts of carbon, reduce flooding, and boost biodiver...

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68,000-Year-Old Hand Stencil in Indonesia Is Oldest Cave Art Science

68,000-Year-Old Hand Stencil in Indonesia Is Oldest Cave Art

An international team of archaeologists has identified a 67,800-year-old hand stencil in a limestone cave on Indonesia's Muna island as the oldest kno...

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How Friction Works—and Why It Still Puzzles Scientists Science

How Friction Works—and Why It Still Puzzles Scientists

Friction governs nearly every physical interaction on Earth, yet scientists still struggle to fully explain it. From Leonardo da Vinci's first sketche...

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How Uranium Enrichment Works—and Why It Matters Science

How Uranium Enrichment Works—and Why It Matters

Uranium enrichment is the process of increasing the concentration of uranium-235 in natural uranium using gas centrifuges, enabling both nuclear power...

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How Scientists Read Exoplanet Atmospheres From Light Science

How Scientists Read Exoplanet Atmospheres From Light

Transit spectroscopy lets astronomers decode the chemical makeup of distant worlds by analyzing starlight filtered through their atmospheres — a techn...

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How Pharmaceuticals Get Into Crops Via Wastewater Science

How Pharmaceuticals Get Into Crops Via Wastewater

As water scarcity pushes farmers worldwide to irrigate with treated wastewater, research reveals that crops absorb trace pharmaceuticals—and where exa...

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How Scientists Date Ancient Cave Art Science

How Scientists Date Ancient Cave Art

From radiocarbon to laser-ablation uranium-series techniques, researchers use increasingly precise methods to determine when prehistoric humans painte...

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