3D image reveals ancient Martian flood

NASA has created a 3D reconstruction of ancient water channels below the surface of Mars, revealing evidence of a catastrophic flood in the last 500 million years.

Millions of American homes at risk of flooding

Nearly four million Americans are at risk of severe flooding by the end of the century as climate change raises sea levels around the country.

Team dramatically improves US flood and drought prediction

A Columbia Engineering School team says it's made a major step in improving forecasts of extreme weather events in the US.

Digg home page hijacked by angry users

Digg users annoyed at the recent changes to the site have managed to flood the home page with links from rival Reddit.