Scientists found a 247-million-year-old reptile, Mirasaura grauvogeli, with a feather-like crest that lived in trees.

Remarkable fossils found in North Greenland have helped researchers solve a 500-million-year-old puzzle surrounding ...

Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern ...

During the mid-Holocene (ca. 6200–3000 BCE) and late Holocene (after 3000 BCE), the Eurasian steppe grew colder and drier. As ...