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

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 ...

Meet the roly-poly pill bug, a backyard “bug” that is actually a crustacean cousin of shrimp and crabs living on dry land.

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

Described by one researcher as looking ‘already dead’, the enigmatic creatures are one of the least understood species on the planet ...

Evolutionarily speaking, the ultimate goal of a lifeform is to reproduce and stave off extinction. Many plants and animals ...

In Argentina, equine cloning in polo is no longer a rarity. It’s now a mature industry — although ethical dilemmas ...

Biologists studying an Australian lizard observed something no one had ever documented in a vertebrate before. A single female produced offspring through two different reproductive methods during the ...

The growing population of stray dogs in Punjab has become a serious concern for public safety and animal welfare, as dog bite ...

New research shows how sperm RNA changes as men age, revealing a biological shift that may affect reproduction and child ...

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death follows mating with such consistency that it can be predicted within a ...

A surprising new study has found that blocking reproduction in some mammals may increase their life expectancy by an average ...