"Crop-devouring armyworms are showing increasing resistance in some U.S. farm fields to a popular type of genetically modified crop that should kill them, scientists said on Monday."

"The Nuclear Regulatory Commission’s rules are not geared for supervising the decommissioning of nuclear reactors, the task that will occupy much of its time in the coming years, the head of the agency, Allison M. Macfarlane, said Monday."

"Reversing oil and natural gas pipelines or switching the product they're carrying can have a 'significant impact' on the line's safety and integrity—and 'may not be advisable' in some cases, federal regulators told pipeline companies in a recent advisory."

"A chemical ingredient of cosmetics, soaps, detergents, shampoos and toothpaste has been found to trigger liver cancer in laboratory mice, raising concerns about how safe it is for humans, scientists said."

Scientists think they have solved the mystery of what's killing starfish along the U.S. Pacific coast. It's a virus.

The Senate's vote next week on legislation to force approval of the Keystone XL pipeline may come down to a handful of Democrats, who are now being courted aggressively by advocates on both sides of the debate."

"The controversial government program that funded failed solar company Solyndra, and became a lighting rod in the 2012 presidential election, is officially in the black."

"Halliburton Co. is in talks to buy Baker Hughes Inc. in a deal that would combine two of the largest and oldest names in the energy business as plunging oil prices send the industry into a downturn."

"ANCHORAGE -- Six environmental groups sued Monday to throw out a federal agency rule that concludes oil exploration off Alaska’s northwest coast has a negligible effect on walrus."

"The U.S. State Department must halt plans to expand an oil sands pipeline route from Canada to Wisconsin until possible environmental harm has been closely studied, several green groups said in a lawsuit filed on Wednesday."