Life expectancy across 117 mammals was increased by hormonal contraception and surgical sterilization in new study.

Why do lifespans vary across different species? A female elephant can live up to 80 years, but usually only has a few calves during her lifetime. A mouse, on the other hand, lives for a few years at ...

Small mammals usually produce large litters of altricial young, resulting in high reproductive rates. In contrast, cavies give birth to few precocial young after a long gestation. The price of this ...

One of the most debated hypotheses in evolutionary biology received new support today, thanks to a study by a scientist at the University of Nevada, Reno. Elissa Cameron, a mammal ecologist in the ...

A microbiologist named João Pedro de Magalhães has proposed the idea that the reign of dinosaurs forced mammals to speed up their reproductive cycle, eliminating key longevity genes. de Magalhães ...

In a groundbreaking experiment, researchers from the Chinese Academy of Sciences (CAS) have successfully created a ...

Sticking with a long-term life partner to rear children has long been considered a dominant mating pattern for our species, ...

FILE - In this July 25, 2011, file photo, a group of wild horses cools off in the ocean breeze on the beach in Corolla, N.C. As North Carolina braces for Hurricane Florence, some tourists and ...

Using advanced new gene-editing techniques, scientists from the Chinese Academy of Sciences have produced healthy, viable mouse babies using DNA taken from two mothers—without a father in sight.

A new scientific review has found there are significant gaps in our knowledge of how mammal populations are responding to climate change, particularly in regions most sensitive to climate change. A ...