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

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

Discover the bizarre facts and fiction about the Virginia opossum's incredible symmetrical reproductive system.

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.

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 ...

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...

Nature's reproductive wonders are revealed as several female animals, including Komodo dragons, sharks, and even birds like California condors, can reproduce without a male. This remarkable ability, ...

One of the most fascinating abilities some animals have is the power to clone themselves to reproduce. Imagine if humans ...

Reproduction is central to survival, but it may come at a hidden cost. In a new study, which drew on zoo records from more than 110 animals around the world, researchers found that blocking ...