The 16th-century artifacts were found during excavations in Arizona. Researchers say they may be the oldest firearms ever ...
The discovery of a newly identified species — the oldest saber-toothed animal found and an ancient cousin to mammals — fills ...
A new species belonging to the gorgonopsians, the ancient ancestors of mammals, was found on the Spanish island of Mallorca.
The research team explained that Mallorca, at the time of the gorgonopsians, was part of the "supercontinent" of Pangea. The ...
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