CDC says 10,000 at risk of hantavirus in Yosemite outbreak

LOS ANGELES/SAN FRANCISCO (Reuters) – Some 10,000 people who stayed in tent cabins at Yosemite National Park this summer may be at risk for the deadly rodent-borne hantavirus, the U.S. Centers for Disease Control and Prevention said on Friday.

AMR, US Airways say evaluating potential merger

(Reuters) – American Airlines parent AMR Corp and US Airways Group Inc have signed a non-disclosure agreement as they evaluate a potential merger that would create an airline that rivals leader United Continental Holdings Inc in scope.

Five LA police officers investigated over death in custody

LOS ANGELES (Reuters) – Los Angeles police are probing the actions of five officers involved in the rough arrest of a woman who died shortly after being taken into custody, in the latest of a string of high-profile incidents that have raised questions about appropriate use of force.

Oil and gas firms work to restore output after Isaac

HOUSTON (Reuters) – Energy firms worked on Friday to resume oil, gas and refining operations in the U.S. Gulf region following Hurricane Isaac, with most offshore production still shut and several refineries offline.

Hundreds pay tribute to Neil Armstrong at Kennedy Space Center

CAPE CANAVERAL, Florida (Reuters) – As family and friends of Neil Armstrong gathered in Ohio on Friday for a private memorial service, NASA paid tribute to the Apollo astronaut, calling him a great American and a space hero.

Shell moves step closer to oil exploring off Alaska

WASHINGTON (Reuters) – Royal Dutch Shell will soon get a temporary air permit to operate a drilling rig offshore Alaska, the Environmental Protection Agency said, helping the company move closer to its long-delayed goal of exploring for oil in the Arctic.

Scientists test new marine robot hurricane-hunters

(Reuters) – As Tropical Storm Isaac was on its path through the Caribbean before becoming a hurricane in the Gulf of Mexico this week, U.S. scientists were testing an experimental new weather spy tool – an unmanned, marine robot about the size of a surfboard that can gather storm data at sea level.

U.S. loans emergency oil to refiner after Isaac

WASHINGTON/NEW YORK (Reuters) – The United States will loan 1 million barrels of crude from emergency reserves to Marathon Petroleum Corp after one of its refineries slowed output in the wake of Hurricane Isaac, the Department of Energy said on Friday.