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Latest coverage from Science

Why gold never tarnishes has finally been explained

Gold may have a secret self-defense system that helps it resist tarnishing. Researchers discovered that atoms on gold surfaces reorganize themselves into patterns that block oxygen from reacting with the metal, suppressing oxidation by up to a trillion-fold. Beyond explaining why gold jewelry stays bright for generations, the finding could help scientists create more powerful gold-based catalysts for manufacturing and clean energy.

13 hours ago

Scientists warn invasive Asian mantises are threatening Europe's wildlife

Two striking Asian praying mantis species that have rapidly spread across Europe have now been officially classified as invasive, raising new concerns about their impact on native wildlife. Boosted by climate change and urban environments, these fast-breeding predators are expanding northward, where they prey on native insects, pollinators, and even small vertebrates while also reducing native mantis populations through deadly mating interactions.

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Why the human body has so many design flaws

Many of the body's biggest flaws are the result of evolution building on old designs instead of starting over. Our spine, eyes, teeth, pelvis, and even certain nerves all reveal compromises that worked well enough for survival but still leave us prone to pain, injury, and disease. Structures like the appendix and ear muscles also remain because they were never harmful enough for evolution to eliminate. Together, these features tell the story of a body shaped by history rather than perfection.

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Rare fossil goose rewrites the story of New Zealand's giant birds

Scientists have discovered a previously unknown fossil goose that challenges a decades-old theory about the evolution of New Zealand's birds. The find suggests the country's giant flightless geese evolved from much more recent arrivals, revealing a far more dynamic evolutionary history than once believed.

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Scientists just debunked a dangerous baby rattlesnake myth

A new study debunks the long-standing claim that baby rattlesnakes are more dangerous than adults. Researchers found that young rattlesnakes can control their venom just like adults, while adult snakes usually inject much more venom and cause more serious bites. The team also uncovered how the myth spread through decades of inaccurate news reports and misleading quotes from trusted sources.

2 days ago•
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Physicists created a tiny universe where time emerged without a clock

What if time doesn't actually exist until something changes? Scientists at the University of Birmingham created a tiny mini universe using 24,000 ultracold atoms and showed that the flow of time can emerge naturally from changes inside a quantum system, without relying on any external clock.

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This alien planet never has sunrise or sunset. It may support life

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could circulate in a stable, continuous loop, helping moderate temperatures in certain regions. Their laboratory model suggests these worlds may be more hospitable than previously thought, despite their extreme surface conditions.

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Hawaii's famous “happy-face” spider has a surprising relative

A newly discovered Happy-Face spider in the Himalayas closely resembles Hawaii's iconic species but evolved independently, according to DNA evidence. Its mysterious smile-like markings, many color forms, and unexpected link to ginger plants have scientists eager to learn how the two distant species are connected.

2 days ago•
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A hidden immune backup system could supercharge mRNA cancer vaccines

Researchers found that mRNA cancer vaccines can recruit an unexpected immune cell to launch powerful tumor-fighting responses, overturning a long-held assumption about how the vaccines work. The discovery could lead to more effective cancer vaccines and help scientists tailor treatments for better patient outcomes.

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How much killing will it take to save the spotted owl?

How much killing will it take to save the spotted owl?

In a massive experiment, biologists are shooting thousands of aggressive barred owls—hoping to create a spotted owl “safe zone”

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