American troops are leaving Iraq, but its robots are not. The Army said unmanned aircraft flights over Iraq are increasing. That's good news for the people who make unmanned vehicles -- many of them gathering in Denver to show off their products. Zachary Barr reports.

The Food and Drug Administration is reviewing what a Massachusetts company is calling an "advanced hybrid" fish, a cross between Atlantic and...

An investigative report from the Government Accountability Office shows that genetic testing kits give misleading results and that companies use "deceptive marketing."