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 ...

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 ...

(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 ...

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

China is sending a new crew to its Tiangong space station, including its youngest ever taikonaut, along with the first live ...