It kills more than 90,000 Bangladeshis every year, yet most of its victims have never heard of it. Indoor air pollution — ...

Spain is again facing questions over whether it should tighten tobacco laws after the United Kingdom approved a measure that will permanently prevent younger generations from legally buying cigarettes ...

One unexpected scrap from your kitchen can draw birds into your yard, though how you prepare and offer it plays a big role in ...

A tiny ancient reptile just revealed the moment breathing as we know it began — and it changed life on Earth forever.