Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? A discovery ...

Lung cancer cases are on the rise in non-smokers around the world, and air pollution could be an insidious, contributing ...

A new study has found that leprosy was circulating in Chile some 4,000 years ago, meaning the disease arrived in the Americas ...

A survey of more than 1,000 American teen drivers has found they spend about 21 percent of each drive looking at their phones ...