Headlines

Many animals and plants are losing their genetic diversity, making them more vulnerable

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Gene pools are getting dangerously shallow for many species. Researchers find five ways to help

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Are we all aliens? NASA's returned asteroid samples hold the ingredients of life from a watery world

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Study demonstrates phase-tunable spin-wave-mediated mutual synchronization of spin Hall nano-oscillators

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Saturday Citations: Spider zombies; the morphology of cute dogs; entropy is coming for everyone

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Rediscovered fresco reveals Islamic tents in medieval Christian churches

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Scientists cast doubt on famous US groundhog's weather forecasts

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A 'city-killer' asteroid might hit Earth—how worried should we be?

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