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, ...

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Whale ancestors were terrestrial mammals that walked on four legs. This bone structure that helped them walk eventually ...

Despite their underwater habitat, whales are mammals. Mammals are not solely terrestrial; some, including whales and dolphins, are fully aquatic the University of Michigan Museum of Zoology reports.

Despite being mammals, these remarkably cancer-resistant animals share a lot in common with cold-blooded species.

Large wild mammals—from elephants to antelopes—are already struggling to cope with global warming. Now new research shows ...

National Geographic estimates there are between 50 billion and 430 billion birds populating the planet, outnumbering humans by up to approximately 50 times. Spread across 9,700 species, according to ...

Humans can be challenging neighbors: We build cities, we turn forests into fields and we enjoy eating a host of other species. Scientists know these actions take a toll on the animals that live around ...

Ethics of keeping mammals in zoos and aquariums / Michael D. Kreger and Michael Hutchins -- Challenges of zoo animal welfare / Ron Kagan and Jake Veasey -- Setting standards for evaluation of captive ...

The fossil remains of several small mammals discovered in tightly packed clusters in western Montana provide the earliest evidence of social behavior in mammals, according to a new study co-authored ...

Fluorescence found to be extremely common among mammals, and may be the "default status" — but exactly why that is remains unclear, scientists say. When you purchase through links on our site, we may ...

Huge die-offs of elephant seals occurred after the virus gained nearly 20 troublesome new mutations, scientists found. By Apoorva Mandavilli Elephant seals in South America died in massive numbers ...