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Scientific American

Slower biological aging may tied to getting the same amount of rest each day

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Shake it off—NASA’s Curiosity rover gets its robotic arm stuck inside a rock on Mars

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Poop, stomach oil and ostrich eggshells keep records of Earth’s ancient climate

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Skeletons of four doomed Franklin Expedition sailors identified with DNA

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Math and statistics help explain the FBI’s ‘missing scientists’ cases

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The hantavirus cruise ship outbreak is a dangerous experiment

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MAHA voters support lower health care costs above vaccine safety and limitation of pesticides, poll finds

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Could this fungus live on Mars? Maybe it already does

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The return of the Presidential Physical Fitness Award likely won’t improve children’s health, experts say

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Gas prices are spiking. So why aren’t U.S. oil companies drilling more?

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The brain processes overheard words under anesthesia, but it may not remember them

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The Trump administration is bringing back flavored vapes. Advocates and lawmakers say the risks outweigh the benefits

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A 1,500-foot tsunami took scientists by surprise. Now we know why it happened

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‘Touchy-feely’ dark matter is having a moment

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What are AI agents? Inside a real experiment where AI ran a start‑up

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Carbon dioxide levels in the atmosphere just hit a ‘depressing’ record high

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Babies may ‘catch’ yawns from their mother in the womb, new study finds

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Why some mathematicians think we should abandon pi

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Jeff Bezos’s Blue Origin moon lander completes a crucial test as race with SpaceX heats up

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Does a psychedelic trip change your brain? A new study offers a tantalizing clue

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A decade of research reveals harms of ‘fitspiration’ content online

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How scientists made the discoveries behind a game-changing gene therapy for sickle cell disease and won a $3-million Breakthrough Prize

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Humpback whales sometimes hang out with their mouth open, baffling scientists

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