Trove of fossils discovered in Canada sheds light on "when life first became large, complex and unmistakenly animal." ...

But more than half a billion years ago this wilderness was an ancient seafloor home to the wrinkled pancakes, fleshy fronds ...

Researchers have uncovered a remarkable fossil site in a remote part of Canada's Northwest Territories, offering ...

From butterflies to blue whales, corals and worms, Earth is home to an incredible diversity of animals. How all of these ...

Scientists revisiting mysterious 540-million-year-old microfossils from Brazil have overturned a major idea about early ...

Scientists discovered that some of Earth’s supposed earliest animal fossils were actually giant ancient microbes.

Skeleton season may be just around the corner, but the skeleton age dawned with the early Cambrian Period, about 538 million to 506 million years ago. In this time span, most major animal groups ...

Crack open Illinois’ prehistoric past at this hidden fossil spot, where ordinary rocks can reveal 300-million-year-old ...

Microscopic squiggles found in 890-million-year-old Canadian reef rocks may represent the oldest animal body fossils, ...

Researchers in Canada discovered 567-million-year-old Ediacaran fossils that may contain the earliest evidence of sexual ...