Startup Colossal Biosciences said it has used advanced technology to bring back the dire wolf, the large canine species that ...

This broad pattern has suggested that "younger" groups of organisms, in evolutionary terms, have higher rates of speciation, extinction and body size evolution, among other differences from older ...

This article addresses central themes in the study of tropical biodiversity, exploring the roles that speciation, extinction, and dispersal play in the formation of regional assemblages.

Extinction is a natural part of life on Earth. But occasionally, extinction rates have surged far beyond usual levels, driving mass extinction events that have reshaped the trajectory of life. After a ...

Extinction occurs when there are no remaining individuals of a species alive. Animals that have not adapted well to their environment are less likely to survive and reproduce than those that are ...