Oct 09 Watch Small Crash on Moon Could Have Big Scientific Impact Scientists hope crashing a probe into the moon will shed light on whether there is much water there. Continue watching
Oct 09 Moon Explosion Could Yield Water for Humans A NASA spacecraft crashed into the Moon on Friday morning, on purpose, in a bid to discover ice hidden below the lunar surface. Continue reading
Oct 08 Watch Tracking Tainted Food a Near Impossibility in U.S. Lee Hochberg reports on the difficulty in tracking the source of tainted foods and the complicated trail from production to sale. Continue watching
Oct 08 Watch Flu Season to Come Earlier, Stronger than Expected The flu season might start earlier than expected, complicating efforts to distribute an H1N1 vaccine before people are infected. Betty Ann Bowser reports. Continue watching
Oct 07 New Saturn Ring Could Hold a Billion Earths A team of scientists have discovered a new ring around the planet Saturn, already famous for its many rings, that is so large that it has the volume equivalent to one billion Earths. Continue reading
Oct 06 ‘Masters of Light’ Receive Nobel in Physics The three scientists awarded the Nobel Prize in Physics Tuesday all developed new ways of harnessing light for different technological applications that are now used all the time, every day, all over the world. Continue reading
Oct 06 Watch Masters of Light: Americans Win the Nobel Prize in Physics Jeffrey Brown reports on three American scientists who were awarded the Nobel Prize in Physics for their pioneering research in fiber optics and digital photography. Continue watching
Oct 05 Nobel Prize for Medicine Goes to American Trio Three Americans were named the 2009 winners of the Nobel Prize in Medicine Monday for their work identifying a key growth enzyme that has important implications for research on aging, and for diseases like cancer. Continue reading
Oct 01 Judy Woodruff Reports: Cities Worldwide Taking Action on Climate Change By Quinn Bowman NewsHour senior correspondent Judy Woodruff moderated a panel of local and regional leaders from around the world Wednesday in Los Angeles as part of Gov. Arnold Schwarzenegger's Global Climate Summit 2. Continue reading
Oct 01 Watch Fossil Find Sheds Light on ‘Early Evolutionary Steps’ A 4.4-million year old fossil, discovered in Africa has opened a window onto humans' "early evolutionary steps," according to the group of scientists responsible for the find. Ray Suarez reports. Continue watching