A vaccine which triggers the immune system to attack one of the most common types of lung cancer has shown promise in early clinical trials, say researchers.

Resorts fight to use 'recycled' sewage on ski slopes

There is strong support among the public in the US, UK and Canada for more research on geo-engineering technology, a study suggests.

The extraordinary endurance hunting of grey wolves has been recorded by BBC filmmakers in Alberta, Canada.

Researchers in Norway believe Chronic Fatigue Syndrome, also known as ME, may be caused by a wayward immune system attacking the body.