Workers at Dinosaur National Monument uncovered a long-necked dinosaur fossil during asphalt removal.
The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.
Fossilized bones and teeth dating to 773,000 years ago are providing a deeper understanding of the emergence of Homo sapiens.
More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...
By Will Dunham WASHINGTON, Jan 7 (Reuters) - Fossilized bones and teeth dating to 773,000 years ago unearthed in a Moroccan ...
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