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Scientists have discovered what they say is the earliest known rock art, in a cave in Indonesia. They say the image dates to more than 67,000 years ago.
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Blue Origin, owned by billionaire Jeff Bezos, says it's stopping human spaceflights for at least two years. The move will allow it to "shift resources" to the company's lunar landing capabilities.
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Strong winds can make it feel a lot colder than the thermometer suggests. Protect yourself by covering exposed skin and sheltering inside.
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Humpback whales will sometimes use an intricate strategy to catch food called bubble-net feeding. A new study suggests they're spreading the knowledge of how to do it to each other.
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On Jan. 28, 1986, the Space Shuttle Challenger exploded 73 seconds after takeoff. All seven crewmembers on board were killed.
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Researchers discovered a feedback loop between nerve cells, the immune system and the heart. They think it shows promise as a target for future therapies.
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Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades of guilt and the vital lessons that remain critical for NASA today.
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Sudden or severe cold temperature can cause trees to experience "frost crack." NPR's Scott Simon talks with Bill McNee of the Wisconsin Department of Natural Resources about what happens and why.
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Heading into the second year of Trump 2.0, when it comes to science, some argue Trump has no consistent ideology for decision-making. Others argue the unifying theme is destruction of science itself.
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A self-described "little farm girl" in the Jim Crow Era, Gladys West's complex and pioneering work for the U.S. Navy helped to improve billions of lives — and keep us from getting lost.