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The Silicon Valley leaders who have experimented with psychedelics

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How the world changed in 2025

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A 13-year-old won $25,000 for his AI fall-detecting device. He used the money to develop a free app.

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Senate confirms Musk ally and billionaire astronaut Jared Isaacman as the next NASA chief

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The funniest wildlife photos of the year show animals striking hilarious poses in their natural habitats

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National Geographic unveiled its Pictures of the Year. Here are 7 of the most striking wildlife photos.

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A Cold War nuclear bunker is buried deep inside a Colorado mountain. See inside the Cheyenne Mountain Complex.

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10 MYSTERIES IN NATURE THAT SCIENTISTS CAN'T FULLY EXPLAIN

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Elon Musk calls Trump official a 'dummy' amid spat over NASA leadership

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NASA acting administrator says SpaceX is 'behind schedule' on moon-landing contract, so he's reopening it

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Jane Goodall, chimpanzee researcher and conservationist, is dead at 91

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The Titanic wreckage was found 40 years ago during a secret US Navy mission to recover nuclear submarines

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He knew Greenland's melting ice better than anyone. Then he disappeared into it.

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A century ago, the government hired unemployed young men to build America's forests, trails, and parks. Photos show FDR's 'tree army.'

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70 years ago, a meteorite landed on an Alabama woman as she took a nap. Here's the strange story of Ann Hodges.

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Astronauts and scientists explain why living in space is almost impossible

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80 years ago, the US dropped an atomic bomb on Hiroshima. Haunting photos show what happened that day in 1945.

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Why living in space is almost impossible

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Vintage photos show how American cities looked before the EPA regulated water and air pollution

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NASA veterans say political pressure and slashed funding are destroying mankind's ability to go on future missions

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Priscilla Chan's recruiting pitch? We can't pay as well as tech companies, but we've got GPUs

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What happened when the Trinity test bomb detonated, from the creation of green glass to fallout that drifted over 1,000 miles

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The CEO of a key SpaceX rival says customers are drawn to his company because it's 'even-keeled'

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The hottest temperature ever recorded in every state

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Starship's 4th straight rocket explosion is the latest public setback for Musk's Mars dreams

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