SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might ...
How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...
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What makes a planet habitable for alien life?
To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...
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