Many mountain gorillas keep living - vigorous and socially engaged - for a decade or more beyond the years of reproduction.

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

Wildlife conservation is a race against time—too often, a losing one. Typically, by the time scientists detect signs of ...

A global study reveals sexual selection influences life expectancy differences between sexes in mammals and birds, reshaping ...

Tree swallows in polluted U.S. regions are accumulating high levels of “forever chemicals.” These durable pollutants, used in firefighting foams and consumer products, are found everywhere from soil ...