Science

Follow PBS NewsHour’s complete coverage of Science and Technology stories.

Investigators continue to look for answers to the space shuttle Columbia disaster. Terence Smith discusses the latest evidence with Anthony Weiner, a member of the House science committee; and Lori Garver, a former associate administrator for policy and plans at…

NASA released copies of an e-mail by one of their engineers, which warned of catastrophic consequences to the shuttle Columbia from the piece of foam insulation that struck the shuttle during liftoff. Ray Suarez discusses the investigation and NASA's safety…

Hundreds of police and soldiers continued their search for wreckage from the Space Shuttle Columbia Monday, covering a growing debris field that cut a swath more than 100 miles long and 10 miles wide across east Texas and Louisiana.