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The Alpha Centauri star system is just 4.2465 light-years away - a relative hop, skip, and a jump in a galaxy 100,000 light-years across. Wouldn't it be great to visit? Not just with a fleet of ...

Earth has been around for 4.543 billion years. At numerous times during that long history, our planet has shared itself with the rest of the Solar System, particularly with our immediate ...

The global chemical industry sits at a crossroads. For more than a century, it has relied on fossil fuels--both as feedstock and as energy--to make the materials that underpin modern life. That ...

The crash looked season-ending, maybe career-ending. On January 30th, Lindsey Vonn wiped out just seconds into her downhill run at the FIS Alpine Ski World Cup in Crans-Montana, Switzerland. She ...

For children with gender dysphoria, gender-affirming medical care can alter the rest of their lives. Thus, it is vitally important that this care be solidly grounded in evidence and delivered in a ...

Most people know only two things about the appendix: You don't need it - and if it bursts, you need surgery fast. That basic story traces back at least to Charles Darwin, the English naturalist ...

A new kind of blood test promises to find cancer early - sometimes even before symptoms appear. The pitch is compelling: a single sample of blood could scan the body for dozens of different ...

This week alone, roughly 80,000 Americans will turn 65. Over the next two years, more than four million will join Medicare. Many live with chronic pain, inflammation, insomnia, anxiety, or the side ...

UFOs are back in the news, implying that non-humans have nothing better to do than zip about our skies. The idea is completely absurd, especially given our embarrassingly modest place in the ...

Some of us remember having more energy in our 20s. We could work late, sleep badly, have a night out, recover quickly and still feel capable the next day. By our 40s, that ease has often gone ...