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

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

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

Some fossils are truly breathtaking. While paleontologists are used to finding scraps of bones, broken teeth and hazy ...

During the Triassic period nearly 250 million years ago, a small reptile scurried after insects in the canopy of a lush ...

Learn how the Grand Canyon used to be home to an ancient evolutionary competition that has since left behind a plethora of ...

The tiny 'backward' brain of an ancient sea creature hints that spider ancestors might have gotten their start in the ocean.