Jul 11 Watch Ancient Planet Scientists said they discovered a planet that is some 9 billion years older than any known previously. Jeffrey Brown discusses the finding with Alan Boss of the Carnegie Foundation. Continue watching
Jul 10 Watch Researching Deadly Pathogens in Hamilton, Montana Betty Ann Bowser reports from Hamilton, Montana, where the National Institutes of Health wants build a new laboratory to study some deadly pathogens. Continue watching
Jul 08 Watch Space Shuttle Columbia 'Smoking Gun' A test yesterday may have revealed the cause of February's space shuttle Columbia disaster. Gwen Ifill discusses the continuing investigation with The New York Times' Matthew Wald. Continue watching
Jun 30 Watch The Rocketeers: Space Exploration Jeffrey Kaye of KCET-Los Angeles reports on privatizing space exploration. Continue watching
Jun 18 Gene Plays Key Role in Prostate Cancer Spread, Study Finds Scientists have identified a gene that plays a key role in whether prostate cancer spreads to other parts of the body or remains in the gland, where it is much less likely to cause harm, a study published Wednesday said. Continue reading
Jun 13 Watch Out of Africa: Human Fossil Discoveries Ray Suarez and Professor Tim White of the University of California at Berkeley look at recent human fossil discoveries and what they reveal about the origins of man. Continue watching
Jun 04 Watch Rough Seas: The Future of the Fishing Industry As the beach vacation season gains momentum, a new report by the Pew Oceans Commission warns that the world's oceans are in danger from over fishing, pollution and urban sprawl. Ray Suarez examines theses issues and the future of the… Continue watching
May 29 Watch Destination Mars Next month, NASA will launch a search for life on Mars. Jeffrey Kaye of KCET Los Angeles reports on the Mars program. Continue watching
May 29 Watch Climbing Mt. Everest: 50 years Since Sir Edmund Hillary's Summit It's been 50 years since Sir Edmund Hillary and his guide Tenzing Norgay became the first team to reach the top of Mt. Everest. Two experts discuss the historic event and Everest's lure for climbers. Continue watching
May 21 EPA Chief Christine Whitman Steps Down Christine Todd Whitman, head of the Environmental Protection Agency, is leaving her post after more than two years. Continue reading