Feb 16 Watch Stimulating Science Dr. Elias Zerhouni, director of the N.I.H., is spearheading efforts to speed up the time it takes for laboratory discoveries to be translated into new medical treatments and drugs. Susan Dentzer talks to Zerhouni and other researchers about the proposed… Continue watching
Feb 12 Scientists Cull Stem Cells From Cloned Human Embryo By PBS News Hour Researchers in South Korea succeeded in extracting stem cells from a cloned human embryo. Continue reading
Feb 09 Recovered Rover Drills Into Martian Rock NASA's robotic rover, fully recovered from computer problems that plagued it for more than two weeks, drilled into a Martian rock over the weekend in search of evidence that water once flowed on the arid planet. Continue reading
Jan 26 Second NASA Rover Lands on Mars; Spirit Prognosis Improves NASA celebrated the successful landing of its second rover, Opportunity, Saturday night on the opposite side of Mars from its twin rover, Spirit. Continue reading
Jan 26 Watch Rovers on Mars The NASA rover Opportunity landed in a shallow crater on Mars over the weekend and transmitted back images of a smooth red surface punctured with bedrock outcroppings. Ray Suarez discusses the mission and its findings with Orlando Figueroa, director of… Continue watching
Jan 23 European Orbiter Confirms Ice in Mars Polar Cap Europe's Mars orbiter has found the most direct evidence yet of water in the form of ice in the south polar cap of Mars, the European Space Agency announced Friday. Continue reading
Jan 22 NASA Rover Stops Transmitting Data From Mars NASA's rover Spirit has failed to transmit data from Mars for more than 24 hours in what mission scientists thought at first was a weather-related interruption but now believe could be a serious hardware or software problem. Continue reading
Jan 22 Watch Lost Contact NASA scientists have not received any transmissions from their Martian rover Spirit in over 24 hours. Jeffrey Brown discusses this setback with Charles Elachi, director of the NASA Jet Propulsion Laboratory in Pasadena, Calif. Continue watching
Jan 19 NASA Ends Service Missions to Hubble Telescope By PBS News Hour NASA has said it will no longer service the Hubble Space Telescope, which has been relaying spectacular images of celestial objects from its orbital vantage point for more than ten years. Continue reading
Jan 15 Mars Rover Rolls Onto Planet’s Surface Nearly two weeks after its arrival on Mars, the robotic rover Spirit rolled off its landing platform Thursday for its first trip onto Martian soil. Continue reading