Newly discovered fossils in southwestern China provide scientists with unprecedented insight into the evolution of complex animals on Earth, marking a significant transition from simple life forms.

A tiny blue octopus species has been discovered nearly 6,000 feet below the ocean surface near the Galapagos Islands, and it’s absolutely adorable.

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