President Bush has tapped Utah Governor Mike Leavitt to lead the Environmental Protection Agency. Experts assess the likely political and environmental impact of the Leavitt nomination.
President Bush nominated Utah Governor Mike Leavitt to head the Environmental Protection Agency. Betty Ann Bowser reports on the nimonee's political background.
A battle over federal wilderness designations in Utah ended when the state convinced the federal government to drop certain land restrictions, an agreement environmentalists say will endanger pristine areas.
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.
Betty Ann Bowser reports from Hamilton, Montana, where the National Institutes of Health wants build a new laboratory to study some deadly pathogens.
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.
Jeffrey Kaye of KCET-Los Angeles reports on privatizing space exploration.
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.
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.
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…
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