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It’s official: Rosetta’s long journey with comet 67P has ended

The Rosetta mission to catch up with a speeding comet, land a space probe on it and follow it as it flies past the sun has officially come to an end. Early Friday morning, the European Space Agency’s Rosetta orbiter committed operational suicide when it deliberately smashed onto the surface of...

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Health & Medicine

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Space

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  • Oh, hey, Milky Way: Gaia reveals map of more than 1 billion stars in our galaxy

    Oh, hey, Milky Way: Gaia reveals map of more than 1 billion stars in our galaxy

    The Milky Way just got a little more crowded. The European Space Agency’s Gaia spacecraft has mapped more than a billion stars in the galaxy with unprecedented accuracy and detail — and it has already discovered 400 million more previously unknown stars. The stellar trove of 1.142 billion stars,...

  • Scientists catch a white dwarf star in the act of exploding into a nova

    Scientists catch a white dwarf star in the act of exploding into a nova

    It’s not every day you get to see a star go nova. Scientists at Warsaw University Observatory in Poland have managed to catch a binary star system both before and after its explosive flash. The findings, described in the journal Nature, confirm a long-held theory about novae known as the hibernation...

  • Did physicists discover a previously unknown fifth force of nature?

    Did physicists discover a previously unknown fifth force of nature?

    A tiny, unseen force could potentially alter our basic understanding of the universe — if it really exists. Theoretical physicists at UC Irvine say they’ve found evidence for a fifth fundamental force of nature, carried by a particle that until now has gone totally unnoticed. If supported by the...

Environment

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Nutrition & Obesity

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  • All over the world, people celebrate holidays by gaining weight

    All over the world, people celebrate holidays by gaining weight

    Halloween is right around the corner, which means Thanksgiving and Christmas will be coming up soon. If you’re already worried about putting on extra pounds over the holidays, a new study has some discouraging news: Your fears are justified. Americans who participated in the study saw their weight...

  • Chill out, ladies. Stress can erase the benefits of your healthful diet

    Chill out, ladies. Stress can erase the benefits of your healthful diet

    Life sometimes foils the best of our intentions. New research on women, stress and diet amply illustrates that sad fact. It shows that even when women greeted a new day with a “better-for-you” fast-food breakfast, that meal’s expected health-promoting qualities were washed away by the carry-over...

  • Your coffee habit may be written in your DNA

    Your coffee habit may be written in your DNA

    Why is it that some people crave several cups of coffee a day while others stop at only one or two? A growing body of evidence suggests that the amount of coffee we consume is determined by our genetic makeup rather than the amount of sleep we got the night before. Coffee is one of the most popular...

Human Behavior

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