A new study shows there is a high cost of parenthood, quantifying the 10% “longevity tax” on reproduction. Consequently, mammals that have fewer or no offspring tend to live longer. But why does ...

Scientists at the Max Planck Institute for Biology have discovered a remarkably streamlined strategy for developmental ...

Orange County school board votes 6-2 to keep controversial children's book "Do Animals Fall In Love?" with animal mating ...

When the Chernobyl nuclear reactor exploded in 1986, scientists expected the surrounding land to remain uninhabitable for ...

There are several myths surrounding the Virginia opossum’s reproductive biology. Opossums do not give birth through their nose! Females have two wombs and three vaginas. Males have a bifurcated ...

A children’s book that includes illustrations of animals mating will remain on the shelves of several Orange County middle school libraries after a divided school board vote, despite objections from ...

Nate Heygi: This is Karyn Anderson. She’s a primate behavioral ecologist at the University of Toronto. She studies same-sex relationships in the animal kingdom. And she says, first off, there are ...

Many people can relate to the experience of feeling sad and helpless when they see stray cats and dogs. Some people feel so ...

Do you know which animal is known as the Night Walker? This animal has a prehensile tail and a love for honey. Let's discover the scientific facts and unique habits of this nocturnal rainforest wonder ...

Mating calls and rituals can be intercepted, or drowned out, by invasive species. Scientists are just starting to understand ...

On a remote Alaskan island, gray wolves are rewriting the rulebook by hunting sea otters — a behavior few scientists ever expected to see. Researchers are now uncovering how these coastal wolves ...

Nature is full of surprises, but few are as fascinating as hybrid animals, creatures born from crossing two different species. Some hybrids occur naturally where habitats overlap, while others result ...