Common insecticides harm sperm in rodents and may pose risks for human fertility. Simple steps can lower exposure, but key ...

In the animal kingdom, penises can be spiked, split, corkscrewed—even detachable. They're one of the most diverse structures ...

Activists quietly shifting the goalposts on sex-and-gender discussion to escape the fact that they're losing the biology of ...

Nearly three decades since the remarkable cloning of Dolly the sheep, it has all gone quiet on the human cloning front.

A large body of science has linked phthalates to a variety of serious health conditions, including premature birth and ...

In the animal kingdom, penises can be spiked, split, corkscrewed - even detachable. They're one of the most diverse structures in biology. The human ...

A Brazilian woman is discovered to be a human 'chimera'. She carries her twin brother's DNA in her blood cells, making her ...

For every man older than 110, there are nine women. Before she died in August at age 117, supercentenarian Maria Branyas — the world’s oldest verified person — credited her bonus years not to any high ...

If you've ever seen a litter of kittens, you may know that many of them barely look related. With coats ranging from black to ...

Ubiquitous industrial chemicals and pesticides have a "toxic effect" on germs that play a key role in maintaining human ...

A much-hyped fashion show with wool from “gay rams” obscures the brutal reality of an industry that exploits sheep sexuality ...

Dr Josef Köhrle, discusses with Lorna Rothery the urgent need for stronger actions to address the potential health risks ...