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FOSSIL DISCOVERY ARIZONA
In 1991, 8 people shut themselves for 2 years inside an airtight Arizona dome, and the walls quietly swallowed their oxygen for 475 days before anyone figured out whyEight individuals entered Biosphere 2 in 1991, aiming to live in a self-contained ecosystem for two years. Unexpectedly, oxygen levels plum...
The Crocodile That Stood Up: A Small Triassic Fossil That Changes the StoryA small reptile named Sonselasuchus cedrus from the Late Triassic period in Arizona shows a remarkable change. This creature, living around...
Scientists Just Found One of the Earliest Flying Reptiles in North AmericaA significant fossil find in Arizona's Petrified Forest National Park reveals North America's oldest pterosaur. This 209-million-year-old f...