Oct 07 Watch Western Drought Western regions of the United States continue to cope with the decimation caused by the lack of rain. Ted Robbins of KUAT in Tucson, Ariz., provides an update on the drought. Continue watching
Sep 17 Watch Bracing for Hurricane Isabel Hurricane Isabel is closing in on the East Coast. Jeffrey Brown gets the latest on the storm from Max Mayfield, director of the National Hurricane Center in Miami. Continue watching
Sep 10 Watch Nuclear Architect Edward Teller Nuclear scientist Edward Teller died yesterday. Ray Suarez discusses his work on the atomic and hydrogen bombs with author Richard Rhodes. Continue watching
Aug 28 Watch Newsmaker: Sean O'Keefe NASA Administrator Sean O'Keefe responds to a pointed report by the official accident investigation board on the destruction of the space shuttle Columbia. Continue watching
Aug 27 Watch EPA Rule Change: Emissions Rule The Environmental Protection Agency revised an emissions rule to benefit older power plants. An EPA official and an environmentalist debate the rule's merits. Continue watching
Aug 27 Watch Mars' Close Encounter Early this morning, Mars had its closest encounter with Earth in 60,000 years, giving observers the best view of the red planet in their lifetimes. Terence Smith discusses the event with astrophysicist Neil DeGrasse Tyson. Continue watching
Aug 26 Crash Probe Faults Foam, Says Safety Plan a Must An independent board investigating the breakup of the space shuttle Columbia released its final report Tuesday morning. Continue reading
Aug 26 Watch The Columbia Report With the release of a report Tuesday detailing the findings of an independent board's investigation into the Feb. 1 breakup of the space shuttle Columbia, experts discuss reaction to the report and what its recommendations may mean for NASA's future. Continue watching
Aug 26 Watch Columbia Report: Background An independent board announced that flawed practices at NASA and falling foam debris contributed to the space shuttle Columbia disaster last February. Continue watching
Aug 22 Watch On the Beach: Coastal Erosion Growing levels of coastal erosion are washing away California's beaches. Jeffrey Kaye of KCET Los Angeles explores the problem and restoration efforts. Continue watching