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Why did T. rex have tiny arms? A new study may finally have the answer -
The Milky Way ate another galaxy. Scientists say they’ve found the scraps -
The most powerful rocket ever built is now even bigger and more powerful. But will it work? -
Asteroid mission captures rarely seen perspective of Mars during close flyby -
Neptunian moon Nereid could be lone intact survivor from ancient satellite system
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59,000-year-old tooth offers a rare glimpse into how Neanderthals handled a medical problem -
DNA reveals identities of 4 sailors from doomed 1845 Franklin expedition -
This small sea area between Europe and Africa is the site of 124 shipwrecks, archaeologists find -
Prehistoric dice suggest that Native Americans may have been gaming since the last ice age
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David Attenborough turns 100 and gets a newly identified species named after him -
A new experiment deepens the mystery over gravitational constant, Big G -
Wild parrots copy their friends when deciding whether to try new foods, study finds -
Chimpanzees in Uganda are in a ‘civil war,’ and researchers are unsure how it will end
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Giant, 60-foot octopuses were apex predators 100 million years ago, fossil discovery shows -
This 250-million-year-old fossil proves mammal ancestors laid eggs -
Fossils from China show complex life evolved millions of years earlier than once thought -
Newly discovered ‘hell heron’ adds evidence in longstanding dinosaur debate
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