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The most complete analysis to date measuring ice sheet changes in Antarctica reveals Earth’s southernmost continent has lost some 3 trillion tonnes of ice over the past quarter-century. A collective effort by over 80 scientists across the world used satellite data to determine estimates of ice-sheet mass balance between 1992 and 2017, ultimately calculating that
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Particles collected from Earth’s upper atmosphere, originally deposited by comets, are older than our Solar System, scientists say – and these fine bits of interstellar dust could teach us about how planets and stars form from the very beginning. These cosmic particles have lived through at least 4.6 billion years and travelled across incredible distances,
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The source of a mysterious microwave glow detected across our galaxy eluded astronomers for decades. But now a crack team has finally pinpointed the source: nanoscopic particles of crystalline carbon, otherwise known as diamond dust. There are several environments across the Milky Way that produce a faint glow known as anomalous microwave emission (AME). Scientists
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During the 1970s, astronomer became aware of a massive radio source at the center of our galaxy that they later realized was a Supermassive Black Hole (SMBH) – which has since been named Sagittarius A*. And in a recent survey conducted by NASA’s Chandra X-ray Observatory, astronomers discovered evidence for hundreds or even thousands of black holes located in
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Welcome to the age of the urban rat. There are about 2 million New York City rats, a 2014 estimate suggested, which would mean the rodents in New York outnumber the humans in Philadelphia. Do not discount the power of gnawing teeth in aggregate — Cornell University scientists once calculated rats cause $19 billion in damage annually. Rats and other