But the new study suggests that epaulette sharks are unaffected by their environment’s temperature for reproduction, as they ...

The improvements in animal care that have led to the aging population problem are laudable, but must now be accompanied by ...

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 ...

Climate change has a wide range of effects on wildlife. It affects seasonal migration, reproduction times, body size and mass ...

Meet the walking shark, a species of shark that can walk on land, survive low oxygen environments, and reproduce without ...

Reproduction in animals varies from species to species. Some types of reproduction, like parthenogenesis, are more unusual than others. This reproductive method requires only one individual rather ...

Researchers have discovered that phenylbutazone, a non-steroidal anti-inflammatory drug (NSAID) commonly prescribed in horses, can affect the ability of a mare's egg cells -- called 'oocytes' -- to ...

How do animals decide when to fight and when to walk, fly, slither, or swim away? Most research on animal conflict has focused on the short-term costs of single interactions, but a pair of behavioral ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

As herds rely on fewer replacement heifers, the stakes for getting each one pregnant at the right time are higher than ever.