Tea tree oil has been linked to fertility issues. But the experiments were done in rats. Here’s what else is behind the scary ...

We often think of the egg-laying reproductive strategy in nature as being employed by birds. Indeed, while many people ...

Most human pregnancies result in one baby because hormone feedback quickly limits egg selection, a new study explains.

Unless you carefully inspect the leaves of a plant in your garden, you might not ever see the tiny little bugs known as ...

A recent study investigating women’s sexual responses to different types of written pornography found that personal attitudes ...

The natural world doesn’t always fit neatly into our defined boundaries, says Will Newton ...