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Trio of multicolor lakes look otherworldly in Africa's Great Rift ValleyEarth from space Three closely grouped lakes in Ethiopia's Great Rift Valley have distinctly different hues thanks to a combination of unique features.
Earth from space -
Watch the exploding green 'devil comet' zoom past the Andromeda Galaxy in a stunning livestream this weekComet 12P/Pons-Brooks is currently sailing past the Andromeda Galaxy in the night sky as it races toward Earth, and you can watch it live this week.
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Photographer snaps extremely rare 'green flash' coming from VenusA brief flash of green light was recently spotted coming from Venus in the night sky. The colorful shimmer has only been seen a handful of times before.
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City-size 'devil comet' headed for Earth loses its iconic horns and turns green after latest volcanic eruptionThe latest and most violent eruption of the cryovolcanic comet 12P/Pons-Brooks, which will make its long-awaited closest approach to Earth next year, shows that the icy object may have lost its iconic devil horns for good.
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Solar storm causes 'impossible,' pumpkin-colored auroras to fill the skyA striking new image shows bright orange auroras dancing in the night sky above Canada. But auroras should never be this color, so what's going on?
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The worst droughts in US historyFrom the Middle Ages to today, North America has experienced a number of extremely dry periods.
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Man sprouted thick, green 'fur' on his tongue in odd medical caseA man developed a condition known as hairy tongue, which can manifest itself in different colors depending on the bits of food, bacteria and dead skin cells that get trapped in the "hairs."
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Bright green laser lines shoot across night sky in Hawaii. What caused them?A series of laser flashes recently lit up the night sky above Mauna Kea in Hawaii. Experts say the lasers were emitted by a NASA spacecraft.
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What are the effects of global warming?Reference The effects of global warming will be far-reaching and often devastating, scientists have warned.
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