Altogether, the pieces reveal a slender tyrannosaur that roamed Cretaceous Mongolia about 86 million years ago and was about 13 feet long—or about the size of juvenile T. rex that would stalk North ...

Through a distant maternal ancestor, who was born in the 1590s, Pope Leo is ninth cousins, various times removed, with some ...

Small clusters of pits in tooth enamel may be traced back to a single evolutionary lineage millions of years ago.

This chart was prepared by Henry Louis Gates Jr., American Ancestors and the Cuban Genealogy Club of Miami. It reflects the ...

A newly identified dinosaur species from Mongolia is rewriting the history of the T-rex family tree. Dubbed the “Dragon ...

Scientists announced the discovery of a new species of early tyrannosaur in a museum vault in Mongolia, an ancestor to ...

A reexamination of fossils found in Mongolia has revealed a previously unknown “missing link” species that led to dinosaurs ...