Even within the world of egg-laying animals, there is an incredible variety of reproductive strategies. Some species mate before the female lays her eggs, ensuring they are fertilized internally, ...

Two studies have found that extreme temperatures can change how a species reproduces, with one reptilian species becoming more resilient to climate change, while the other displaying a 'sex reversal' ...

In a world where most animal relationships are short-lived, a few species form partnerships that last for years, sometimes ...

They recently discovered that Iberian harvester ant queens are able to produce offspring of a completely different species, ...

As human-caused sound gets louder around the world, some animals change their behavior and many creatures suffer health ...

Asexual reproduction, in which females reproduce without males by cloning themselves, has been documented in multiple species ...

Across 1,000 species, males die younger than females—even in zoos. A global study shows biology, not just lifestyle, drives ...

Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study ...

At a lab in the heart of San Francisco's Golden Gate Park, scientists are breeding corals to be more resilient to rising ...

Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In ...

If you want to experience nature, you can do a lot worse than the newly opened Hanson Nature Preserve near French Lake in ...