May 26 Watch NASA’s Phoenix Sends Intriguing Images From Mars NASA's Phoenix Mars lander touched down Sunday and began transmitting pictures from the northern arctic plains of Mars where scientists hope to find evidence of water and life-sustaining conditions. Mission co-leader Ray Arvidson explains. Continue watching
May 26 NASA’s Mars Spacecraft Lands, Transmits Photos of Arctic Terrain By PBS News Hour After a 10-month, 422-million-mile voyage, NASA's Phoenix Mars lander touched down Sunday and began transmitting pictures from the arctic plains of the Red Planet where scientists hope to find evidence of water and life-sustaining conditions. Continue reading
May 23 NASA’s Phoenix Spacecraft Lands on Mars By PBS News Hour A spacecraft designed to search for life on Mars completed its nearly 10-month, 422-million-mile voyage Sunday, touching down the Red Planet and transmitting intriguing images from its northern arctic plains. Continue reading
May 23 Revitalizing coal is the solution to our energy crisis Question/Comment: Your item on green jobs was very informative. While I knew that many towns in the coal and manufacturing belt in western Pennsylvania are shadows on their former selves, I did not know how much Pittsburgh has… Continue reading
May 21 Watch Scientists Study Final Moments of Dying Star The deaths of some stars are marked by a unique event: the supernova. A NASA telescope captured a massive explosion in January, giving scientists clues into the mechanics of our own world. Robert Kirshner of Harvard University explains the significance… Continue watching
May 20 Watch BPA Dropped From Some Plastics Amid Health Concerns Bisphenol A, or BPA, is a chemical commonly found in hard plastic bottles such as Nalgenes and other everyday plastic products. However, increasing concerns about BPA's alleged toxicity has caused Nalgene to stop using it to make bottles. Continue watching
May 16 Six Years On, Yucca Mountain Nuclear Repository Slowly Moves Forward By PBS News Hour Energy Department officials confirmed this week that they plan to submit an application in June to license the Yucca Mountain nuclear waste dump as the nation's first spent-nuclear fuel repository. Continue reading
May 16 Cities Are Looking to Share and Share a Bike By PBS News Hour European style bike-sharing programs are soon coming to U.S. cities. Continue reading
May 15 Watch Corn Farmers Prosper, Others Lose Out with Ethanol Use As corn prices have risen with demand for ethanol in recent years, corn farmers are prospering. But others -- such as hog farmers who rely on corn feed -- are facing tough times, and some critics blame ethanol demand for… Continue watching
May 14 Watch Polar Bears Listed as ‘Threatened’ Due to Loss of Arctic Ice In a highly anticipated decision, the Interior Department on Wednesday declared the polar bear "threatened" under the Endangered Species Act because of shrinking Arctic ice due to global warming. Two analysts consider the impact of the decision. Continue watching