High in Canada’s Rocky Mountains, the animals of an ancient ecosystem can be seen battling for life. The fossils of the Burgess Shale offer a glimpse at the incredible diversity of early life on ...

The earliest known primitive chordate is Pikaia gracilens, a wormlike creature that swam in middle Cambrian seas. Fossils found in the Burgess Shale of British Columbia show traces of a notochord ...

Experts disagree about just when the intricate patterns of burrowing creatures first appeared, but by any judgment those traces signaled a big change from the Ediacaran to the Cambrian.

As alien as these creatures seem, they are also surprisingly ... the last half billion years has come from tinkering with these Cambrian body plans. Then, between about 570 and 530 million years ...

This creature could have evolved as part of the Cambrian explosion that occurred during the Paleozoic era about 530 million years ago. The era saw a large increase in the amount of habitable space ...

Despite its odd appearance, the Cambrian creature Odaraia alata—an arthropod whose taco-shaped carapace gives it an otherworldly appearance—is one of those good ideas. While its protective ...

Among the many fossilized stars is a 26-meter-long Mamenchisaurus jingyanensis, a gigantic herbivore that lived around 150 ...

All the Latest Game Footage and Images from Cambrian Dawn Journey to a time long forgotten... In this thrilling underwater world of strange and beautiful creatures, only the strongest species will ...

known as the ‘Cambrian explosion’. He explains a speculative theory that the evolution of creatures with eyes, such as trilobites, triggered the evolution of more complex forms of life.