Learn how starfish got their shape after a complicated evolutionary process, starting with an ancestor that lived 500 million years ago.

They are always guided by their ancestors through vivid dreams, recurrent signs and other signs. These people often take their dreams and signs seriously and try to never ignore them.

On The Astounding Pop Mech Show, editors discuss the Last Universal Common Ancestor (LUCA), an organism that lived on Earth 400 million years after it formed.

Apex predators, like the Tyrannosaurus rex, eventually arose from smaller-bodied tyrannosauroid dinosaurs called Khankhuuluu mongoliensis, the study's researchers said.

Paleontologists have identified a new species of dinosaur, Khankhuuluu, which is being described as the closest-known ancestor to the giant Tyrannosaurs.

A newly identified dinosaur is shedding light on the origins of T. rex and its ancient relatives. The fossil find in Mongolia reveals how these fearsome predators evolved and spread across continents.

Paleontologists have identified a new species of dinosaur, Khankhuuluu, which is being described as the closest-known ancestor to the giant Tyrannosaurs. The finding by an international team ...

US News: Harvard University has agreed to settle a deeply emotional dispute over who has the rights to images of enslaved Africans taken in 1850 by a professor ...

The Afro-Asiatic wildcat (Felis lybica) is the world’s most widely distributed small wildcat, and an ancestor of the domesticate cat.

A conversation with Olúfémi Táíwò about the struggle for racial and climate justice in the face of catastrophe.

Researchers reexamining fossils identified telltale marks made by human ancestors cutting meat from bones. The discovery pushes back the date hominins started living in Europe by 200,000 years.

My San Francisco ancestor was my one shot at EU citizenship. Then came trouble. SFGATE's Dave Curran tries futilely to get in touch with his Italian roots By David Curran, Homepage Editor April 15 ...