A large study of ancient DNA from nearly 16,000 people across more than 10,000 years has revealed that natural selection has ...

Did humans lose their sense of smell? A study on the Orang Asli people reveals that hunter-gatherers maintain ancestral smell genes for foraging, while farmers' olfactory receptors evolved alongside ...

We once believed the Earth was flat. Nowadays, we're sending crews to space, inventing cures for strange diseases, and ...

Aggression and reactivity account for the largest share in training inquiries submitted by American pet owners.

From the ability to detect the smell of wet soil to the scent of ripe fruit, the human olfactory system has evolved over ...

More than two years after H5N1 bird flu was first detected in U.S. dairy cattle, the virus has proven remarkably good at ...

People keep pets because they love them and want to provide them a good quality of life. While a baby animal is cute when ...