NASA/JPL-Calech/University of Arizona In this artist’s concept illustration, NASA’s Phoenix Mars Lander begins to shut down operations as winter sets in. By tasting a little bit of the rocks and air on Mars, NASA’s robotic Phoenix lander discovered secrets about the history of water on the Red Planet over the last 4 billion years, scientists [...]

U.S. Department of Agriculture For scientists concerned about greenhouse gas emissions, a cow’s farts are nowhere near as problematic as its methane-laden belches. Now a new oregano supplement could stem the burps — and reduce the potent methane emissions. Worldwide, cows are responsible for 37 percent of the human-produced methane, according to study researcher Alexander [...]

AP Photo/Russel A. Daniels The Apple logo is displayed outside one of the company’s stores. NEW YORK –  Apple said Thursday that it will publish the guidelines it uses to determine which programs can be sold in its App Store. The move follows more than two years of complaints from software developers about the company’s [...]

AP Photo/SCANPIX, Bertil Ericson WikiLeaks founder Julian Assange in Stockholm, Sweden. The embattled head of WikiLeaks says he won’t be stepping down — not without a fight, anyway. And the very public infighting among the secretive site’s administrators reveals just how crazy the issue is making people. Julian Assange, the subject of a rape investigation [...]