When it comes to household dangers that can kill you, few unsettle me more than carbon monoxide. I wrote about other toxic ...

While some Annapurna climbers call for a helicopter only in dire straits, others may feign problems simply to avoid the dangerous descent from Camp 3.

Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a ...

High cholesterol, or hypercholesterolemia, usually has no apparent symptoms and is therefore labeled as a "silent killer." ...

But in touting the benefits of coal, he misrepresented several aspects of its safety and use. Here’s a look at the facts. CLAIM: “I call it beautiful, clean coal. I told my people, never use ...