Tech stocks for Groupon and Living Social are sure to be hot at their initial public offerings. But when it comes to these tech stocks, it's important to know the difference between the two companies.

Many scientists suggest that climate changes could be causing certain kinds of wildfires for which the West's forests are not well adapted. This year could help researchers better understand and fight the trend.

Cambodia officially opened its first stock exchange. The problem? There aren't any stocks to trade.

AP - President Barack Obama declared on Monday there would be no deal on raising the government's debt limit if Republicans won't compromise, and he said he would not sign a short-term extension — raising the stakes on volatile negotiations with the clock ticking toward an Aug. 2 deadline.

AP - Syrian government supporters smashed windows at the U.S. Embassy in Damascus on Monday, raised a Syrian flag and scrawled graffiti calling the American ambassador a "dog" in anger over the envoy's visit to an opposition stronghold, witnesses said.

AP - News International has appealed for information to help investigate claims its journalists hacked ex-Prime Minister Gordon Brown's personal information.