"A government report says a cyberattack against 23 natural gas pipeline operators stole crucial information that could compromise security. Experts strongly suspect China's military."

"With Washington frozen solid on climate, the Navy is breaking the ice."

"The rate of advanced breast cancer for U.S. women 25 to 39 years old nearly doubled from 1976 to 2009, a difference too great to be a matter of chance, a study finds."

"Alarms sounded and lights flashed as control panel dials at a nuclear power plant in upstate New York warned that the power for safety equipment was failing. The room went dark until the emergency lights kicked in. But there was no reason to worry on this frozen winter morning."

"The acting head of the U.S. Environmental Protection Agency (EPA) warned staff on Tuesday that it may place an unspecified number of jobs on temporary furlough if across-the-board federal budget cuts take effect at the end of this week."

"BP Plc fostered a culture that put cost-cutting over safety before the deadly 2010 Gulf of Mexico oil spill, a noted forensic engineer said in the first day of testimony in the federal civil trial centered on the disaster."

"High levels of a dangerous toxin found in bagged dog food on a grocery store shelf in Iowa have highlighted the prevalence of a problematic mold in last year's U.S. corn crop, as state and federal officials work on limiting the food safety concern."

"A California senator's decision to quit and jump to Chevron Corp. has sparked questions about whether he should have negotiated for that job while in a position to help the company politically."

"WICHITA -- Years of drought are reshaping the U.S. beef industry with feedlots and a major meatpacking plant closing because there are too few cattle left in the United States to support them."

"U.S. federal prosecutors have been asked to take legal action over safety and environmental violations discovered on one of two drillships Royal Dutch Shell used last year in Arctic waters off Alaska, officials said on Monday."