From the arid mountains of the northwest to the icy chill of Patagonia in the south, the whole country is behind the national ...

There are telltale signs you need to watch out for.

Q: There's a lot of good news about cancer treatments these days, so why do I know so many people who are battling cancer? -- Tom T., Santa Fe, New Mexico ...

Explosive diarrhea parasite cyclosporiasis is causing possible outbreaks in half of US states. See a map of the rising rates ...

But available information shows only a small number of documented outbreaks in the last 20 years have surpassed 1,000 cases.

Brian Lintner was diagnosed in January after his doctor noticed abnormal bloodwork, and later learned the cancer had spread ...

As the first rays of the sun cut across the desert, the rock seemingly catches fire, exploding into a brilliant, glowing red and bright orange. By midday, under the harsh glare of the overhead sun, it ...