Native to the arctic waters of the northern hemisphere, the Bowhead whale can live for centuries, and now scientists think ...

Around the world, women outlive men by an average of around 5.4 years. A distinction in life expectancy between sexes is surprisingly common among other mammals, too, though it's not fully understood ...

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...

According to most experts, the first mammal was Morganucodon, a small, shrew-like rodent that appeared during the Jurassic Period, approximately 200 million years ago. It weighed a few ounces and ...

An international team of researchers led by scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig ...

(CNN) — Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study. Researchers from Germany, Denmark, France, Hungary and Belgium ...