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Dominated by carbon-rich swamps and forests proliferating across Earth's rocky surface, the Carboniferous period saw a boost ...
When large marine animals like whales die, they sink down to the seabed. Once their flesh has been stripped away by ...
In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...
From them, however, Sir William Herschel computed the period of rotation at 10 hours and 16 minutes. In 1876 a very bright spot appeared near the equator of Saturn, and remained visible for ...