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.

In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...

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 ...

Nagoya University researchers discovered a gene that actively suppresses food-odor detection in roundworms after reproduction ...

Most animals reach an adult size, then spend the rest of their lives maintaining it. After maturity, their energy goes toward ...

RIVERSIDE, Calif. – Two paleontologists studying ancient fossils they excavated in the South Australian outback argue that Earth’s ecosystem has been complex for hundreds of millions of years – at ...

For the first time, scientists have induced facultative parthenogenesis, a form of asexual reproduction, in an animal that usually reproduces sexually. An estimated 76 percent of fruit flies can ...

As much as 6 percent of people are intersex, having chromosomes, gonads, and/or genitals that do not fit neatly into a male or female category. For this and other reasons, human biology is not binary.