The "miniscule" new fossil was discovered 500 miles south in Colorado’s Denver Basin.
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The turn to CGI has sidelined many of the dogs, bears and horses of yesteryear. But ethical questions aside, there’s still some magic in filming and seeing the real thing.
A study reveals that dominant members of primate troops miss out on restful nights.
A new study has the clearest evidence yet that territorial expansion after lethal conflict can directly boost reproductive success.