The new research is the first to look back at early mammals in full color. Using advanced fossil imaging methods and a thorough examination of the pigment-producing cells present in living mammals, ...

New research is cutting male mammals down to size. While we may think of hulking elephant seal bulls or huge stags, these males appear to be the exception, rather than the rule. A new analysis of more ...

If textbooks ever made you believe mammals like humans, cats, and kangaroos first evolved somewhere up north, think again. A remarkable discovery from Australia has flipped our understanding of mammal ...

Small mammals are early warning systems for environmental damage, but many species look almost identical, making them hard to track. Scientists have developed a new footprint-based method that can ...

Some of the best known species on Earth may not be what they seem. Credit...Steve Holroyd/Alamy Supported by By Carl Zimmer Naturalists have been trying for centuries to catalog all of the species on ...

Over the long and complicated course of evolutionary history, mammals independently turned towards water to make a home ...