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

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of ...

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 ...

New research reveals walking sharks reproduction involves no extra energy use, challenging long-held beliefs about marine ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...

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 ...

A children’s book that includes illustrations of animals mating will remain on the shelves of several Orange County middle ...

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

City environments subject animals to noise, light, crowding, and fragmented habitats that subtly but powerfully reshape how they communicate.

Many mammal populations in European and North American zoos are aging – a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...