Paul Krugman, a professor at Princeton and a columnist for The Times, won for his work on global trade patterns.

A U.S. spacecraft beamed hundreds of photos of Mercury back to Earth on Tuesday after a close encounter with the planet closest to the sun.

The House began debate on a bill that would ban almost any diversion of water from the Great Lakes' natural basin to places outside the region.

The proposed legislation is the financial equivalent of the Patriot Act.

Senator John McCain is seen by voters as far less likely to bring change to Washington than Senator Barack Obama, according to the latest New York Times/CBS News Poll.

Utah has become the first state to experience broad consumer interest in the idea of running cars on clean natural gas.