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Astronomers may have found a new Earth-size world, but there’s a twist

Astronomers are closing in on what looks like a rare prize: a world almost the size of Earth, circling a Sun-like star at a distance that gives it a familiar, year-long orbit. The candidate, known as ...
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'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...
The New York Times

Something Very Tiny Is Following Earth Around the Sun

The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...
Yahoo

Earth’s distance from the Sun found to dramatically alter seasons

Add Yahoo as a preferred source to see more of our stories on Google. Study finds Earth-sun distance helps drive the Pacific cold tongue, a key player in El Niño and global weather. (CREDIT: Wikimedia ...