A fascinating fossil discovery in remote South Australia sheds light on an important chapter in the history of life on Earth: the origins of Ecdysozoa, a vast superphylum that includes molting animals ...

Precambrian time covers the vast bulk of the Earth's history, starting with the planet's creation about 4.5 billion years ago and ending with the emergence of complex, multicelled life-forms almost ...

Cholesterol clinched it: A group of strange Precambrian fossils are among the oldest known animals in the rock record. The finding “gets rid of the more outlandish hypotheses about what these objects ...

Stand atop the steep white cliffs that surround the giant rivers of Siberia, and your feet will mark a pivotal point in the history of life on Earth: the 541-million-year-old geologic boundary between ...

The world's first birds, along with dinosaurs and other prehistoric animals, likely sported colorful, patterned exteriors. Paleontologists have long speculated that such animals were colorful, but ...

The meteor that killed off the likes of Triceratops and Tyrannosaurus missed a few animals. While the extinction of the non-avian dinosaurs made room for other species of birds and mammals to evolve ...