Space

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Landing 12 people on the Moon remains one of NASA’s greatest achievements, if not the greatest. Astronauts collected rocks, took photos, performed experiments, planted some flags, and then came home. But those week-long stays during the Apollo program didn’t establish a lasting human presence on the Moon. More than 45 years after the most recent
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Finally, scientists have found the source for a high-energy cosmic neutrino coming from outside our galaxy. The so-called mysterious “ghost particle”, detected on 22 September 2017, travelled 4 billion light-years to reach us, originating from an extremely energetic object called a blazar. It’s an amazing discovery, one that not only confirms blazars as a source
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If we’re going to head out into interstellar space one day, we might want to go equipped with some heavy-duty degreaser. New research has found that the vast intervals of space aren’t always filled with dry dust, but often contain a mist of greasy molecules. And there’s a lot of space grease out there. The
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A mysterious cataclysm in a neighboring galaxy was spotted in the sky above Hawaii last week, sending astronomers around the world scrambling to understand the source of the staggeringly brilliant flash. “I’ve never seen anything like this before in the local universe,” said Stephen Smartt, an astrophysicist at Queen’s University Belfast and a lead scientist
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The Fermi Paradox remains a stumbling block when it comes to the search for extra-terrestrial intelligence (SETI). Named in honor of the famed physicist Enrico Fermi who first proposed it, this paradox addresses the apparent disparity between the expected probability that intelligent life is plentiful in the Universe, and the apparent lack of evidence of extra-terrestrial intelligence
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The curvature of empty space caused by an entire galaxy has now been pinned down with unprecedented precision, demonstrating Einstein’s theory of general relativity still rules on a super-sized scale. Not that anybody is seriously surprised. But on the off chance the results had failed to meet expectations, they might have provided insight into some
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Almost all the large vertebrates on Earth suddenly went extinct 66 million years ago – including dinosaurs, mosasaurs, plesiosaurs, and pterosaurs. A city-size asteroid or comet is thought to be responsible for that mass extinction. The impact, called the Chicxulub event, triggered global cooling and volcanic eruptions that transformed Earth. In the 1980s, Richard Muller,