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Astronomers surprised by discovery of planet twice as big as Earth but 17 times as heavy

Astronomers have discovered a new type of rocky planet beyond the solar system that weighs more than 17 times as much as Earth while being just over twice the size, scientists said on Monday. The so-called “mega-Earth” circles a very old star called Kepler-10, which is located about 560 light-years…

‘Shadow Biosphere’ theory gaining scientific support

Never mind aliens in outer space. Some scientists believe we may be sharing the planet with ‘weird’ lifeforms that are so different from our own they’re invisible to us. Across the world’s great deserts, a mysterious sheen has been found on boulders and rock faces. These layers of manganese, arsenic…

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