The tissues of the MH7 fossil were so precisely preserved that researchers could study individual skin cells. In some samples, they could even visualize skin cell nuclei under the microscope.

Often dismissed as pests, rats have long been misunderstood. But the African giant pouched rat (Cricetomys gambianus), the world’s longest, is challenging that perception. With its intelligence and ...

Archaeopteryx, long considered the earliest fossil bird, could be knocked off its perch by Baminornis zhenghensis, which ...