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 ...

The improvements in animal care that have led to the aging population problem are laudable, but must now be accompanied by ...

Quite an advantage in today’s world.

Reproduction is a normal part of life, and while sex might seem like a quick and straightforward process for humans, that’s not always the case in the animal kingdom. Some animals reproduce in rougher ...

Biologists like to say that reproduction is the ultimate investment, a costly gamble that shapes everything from lifespan to ...

New research shows that epaulette sharks, often called “walking sharks,” can produce eggs without increasing their overall energy use.

Animal mating rituals can look bizarre, but many are shaped by survival pressure and extreme competition. This feature explains the strangest courtship behaviors in nature, from elaborate displays to ...

For millions of years, life on Earth has carried on and evolved thanks to finding mates and reproducing. Over those millions of years, species evolved into new species with new behaviors and processes ...

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.

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Nature's reproductive wonders are revealed as several female animals, including Komodo dragons, sharks, and even birds like California condors, can reproduce without a male. This remarkable ability, ...