ARIZONA

A U.S. Border Patrol agent is dead, shot in a gun battle Tuesday night at the U.S.-Mexico border near Rio Rico, Arizona.

Scientists have found possible ice volcanoes on Saturn's moon Titan similar to those on Earth that spew molten rock.

‘Tis the season for the annual crackdown on drunk driving.

In less than a day after the successful launch of SpaceX's Falcon 9 commercial rocket and Dragon capsule on Wednesday, NASA's Glenn Research Center and the Northern Centre for Advanced Technology (NORCAT) of Canada are conducting tests that simulate the mining on Mars and the moon.

A federal judge in California Court has ordered the destruction of genetically engineered sugar beets after finding that the United States Department of Agriculture (USDA) had likely violated federal law by allowing the plantation of the stecklings without analyzing the potential environmental impact.

Scientists found a form of bacteria that can use arsenic in its DNA, and uses the arsenic to metabolize and grow.

Armed with new researches and discoveries, the National Aeronautics and Space Administration (NASA) is back in the news again. While NASA promised to provide insights into its findings on astrobiology on Thursday, there have been several other developments at the agency this week.

A U.S. military report issued Tuesday found the risk of repealing the Don't Ask, Don't Tell policy to overall military effectiveness is low.

The Transportation Security Administration is referencing a Johns Hopkins study on its web site, saying that the full-body x-ray scanners are safe to use. But the university's scientists are unhappy with the way that study is being used.

The U.S. Environmental Protection Agency (EPA) has given the 2011 Nissan Leaf a mileage rating of 99 miles per gallon (mpg); besides dubbing the electric car to be the best for fuel efficiency and the environment.

It’s now as plain as the beard on Lincoln’s chin. The Republican Party that Honest Abe helped to found – that is, in its current Limbaughian form -- does not give a hoot about American global security. All it wants to do is remove Barack Obama from the White House, and it does not care if its actions – that is, its inaction – wrecks the painstakingly constructed goodwill between the U.S. and Russia and pushes the entire world back toward the shadow of possible nuclear annihilation.

Several Hollywood studios, including Paramount, Warner Bros., MGM, Disney, Universal and Fox, have filed a lawsuit against DVD sanitizer Family Edited DVDS, Inc. and are seeking a permanent injunction to stop the company from altering movies to be free of objectionable content and distributing them to consumers as family-friendly.

Ford Motors has announced the list of cities, which shall receive the first all-electric passenger car Focus Electric, which debuts in late 2011.

The Obama administration is pushing for closer ties with America Indian tribes, announcing a second presidential conference with the tribes in December.

Home foreclosures in the U.S. in October fell by 9 percent primarily because some major banks temporarily froze foreclosure proceedings and delayed sales of foreclosed properties nationwide after being criticized for shoddy paperwork, according to real estate data company RealtyTrac.