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

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

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.

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

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 ...

Animals that can change their sex naturally might sound surprising at first, but in nature, it is simply another survival ...

How do animals decide when to fight and when to walk, fly, slither, or swim away? Most research on animal conflict has focused on the short-term costs of single interactions, but a pair of behavioral ...