Why would male mammals choose one special female when they could have many? Two groups of U.K. researchers trying to answer that question have reached two different conclusions.

Size, life span and offspring production are all important factors in a mammal's ability to withstand climate change, including heat waves, says a new study.

Researchers at the University of Bayreuth have discovered that offspring of burying beetles benefit from having ...

An international study led by the National Institute for Agricultural and Food Research and Technology of the Spanish National Research Council (INIA-CSIC), with participation from the University of ...

Long-tailed macaques Zhong Zhong and Hua Hua, shown below, follow a long line of cloned mammals including dogs, cats, pigs, camels and horses. Here's a look at some of the cloned animals that came ...