Now, more than a decade later, new analysis of the fossils has found that they belong to a new 73-million-year-old species, according to a study published Jan. 28 in the peer-reviewed journal ...
A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, which was likely related to ...
Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico ...
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