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 ...

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 ...

Some animals reproduce only once before dying. This life strategy, called semelparity, sees organisms channel all energy into ...

In the framework of an international research project, a team of scientists have demonstrated for the first time that asexual reproduction can be successful in the long term. The animal they studied ...

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.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Motherhood is entirely possible at the age 74—for some birds at ...

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

Fluctuations in weather and the environment affect survival and reproduction of animals. But are all individuals within a population equally susceptible? Theory on the evolution in age-structured ...