Science

  • September 26, 2012    

    This image of space shuttle Discovery was taken as the craft began its rollout from the Kennedy Space Center’s Vehicle Assembly Building to Launch Pad 39A in preparation for STS-133, its final mission. Photo by NASA. Editor’s note: This is … Continue reading

  • September 26, 2012    

    Vitaly Churkin, permanent representative of the Russian Federation to the United Nations, attends an Aug. 30 U.N. Security Council meeting on Syria. Photo by Andrew Burton/Getty Images. Russia’s ambassador to the United Nations, Vitaly Churkin, is a well traveled and … Continue reading

  • September 26, 2012    

    Vitaly Churkin, permanent representative of the Russian Federation to the United Nations, attends an Aug. 30 U.N. Security Council meeting on Syria. Photo by Andrew Burton/Getty Images. Russia’s ambassador to the United Nations, Vitaly Churkin, is a well traveled and … Continue reading

  • September 25, 2012    

    Dropsondes are lightweight cylinders loaded with sensors that are ejected from airplanes into powerful hurricanes. As they fall, they gather data about the air pressure, temperature, humidity, windspeed and wind direction. Science correspondent Miles O’Brien reports on a team at … Continue reading

  • September 24, 2012    

    Mei Xiang made distressed sounds at 9:17 a.m. on Sunday, alerting zookeepers that something was wrong with her baby. Video by Smithsonian’s National Zoo. The Smithsonian National Zoo hasn’t yet confirmed what caused the death of the week-old panda cub, … Continue reading

  • September 24, 2012  

    Research published by Nature shows there are four distinct types of breast cancer and that genetic changes occurring as cancer cells spread are vastly different for each type. Judy Woodruff talks to National Cancer Institute’s Dr. Harold Varmus for more on what the research could mean for treatment in the future. Continue reading

  • September 23, 2012    

    Mei Xiang on Sept. 17 with her cub. The cub died unexpectedly on the morning of Sept. 23. Image by Smithsonian’s National Zoo. On Sunday, at 9:17 a.m. ET, panda keepers at Smithonian’s National Zoo heard distressed noises coming from … Continue reading

  • September 21, 2012    

    Strapped to the back of a jumbo jet, Space Shuttle Endeavour swooped over the California state capital and circled San Francisco’s Golden Gate Bridge and the Santa Monica Pier in a highly choreographed final flight before touching down at the … Continue reading

  • September 20, 2012    

    Arctic sea ice melted to 1.32 million square miles this September — an unprecedented low and a sharp drop from the 2.59 million square mile average for this time of year. It also marks the greatest Arctic ice melt since … Continue reading

  • September 20, 2012   BY  

    Dickie Sanders was not naturally prone to depression. The 21-year-old BMX rider was known for being sweet spirited and warm — a hugger not a hand-shaker. The kind of guy who called on holidays. Who helped his father on the family farm. Who spent countless hours perfecting complicated tricks on his bike. Continue reading