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Billions of cicadas will emerge this spring across eastern and southern states as two broods arrive simultaneously for the first time in more than 200 years.
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The Portuguese pooch was said be 31 years when he died last October, far outlasting dogs of the same breed, which often live half that age. Now, experts have doubts about the validity of those claims.
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Researchers say they've identified the oldest known Tyrannosaurus, shaking up the ongoing debate over how and when the dinosaurs arrived in North America.
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In Pakistan, illiterate fishermen have become citizen scientists, helping to revive the fortunes of the endangered Indus River dolphin.
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Researchers found that chimpanzees and bonobos were able to recognize photos of former groupmates after more than 25 years apart, according to a new study from Johns Hopkins University.
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Reindeer have to dig for food in dark, snowy conditions during winter. Their vision is adapted to make that task less challenging.
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A new study showed that cats fetched objects instinctively, in the absence of overt training. Fetching is defined as when the animal retrieves an object that's thrown.
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The pliosaur, which existed millions of years ago, would chomp down with its 130 teeth in a bite far stronger than a crocodile's and had a third eye for locating prey.
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A rarely seen ant species was found by a North Carolina State University student high up in the trees of the Triangle.
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The De Winton's golden mole was last spotted in 1936. But with the help of a mole-sniffing dog and new environmental DNA analysis, researchers are taking it off the most wanted lost species list.