AMAZING VIEWS: Himalayas, Ganga, more from space!

Launched in 2002, European Space Agency's Envisat is the largest Earth observation spacecraft ever built. It carries ten sophisticated optical and radar instruments to provide continuous......

Safe to invest? Measuring a company's debt

There is no quick and easy way for investors to get a handle on a company's debt situation. But as a starting point, debt ratios offer a valuable method for assessing a company's fundamental......