David Kestenbaum David Kestenbaum is a science correspondent for NPR. His job allows him to combine his extensive background in physics with his love of broadcast journalism.
A Prayer Book's Secret: Archimedes Lies Beneath
Space Shuttle Discovery Returns to Florida
NASA Set for Third Attempt at Shuttle Launch
Crack in Foam Could Delay Shuttle Again
Weather Forces NASA to Delay Launch
NASA Seeks to Curb Bird Threat to Shuttle
Emergency Rescue Plans in Place for Astronauts
N. Korea's Missile-Test Threat Sparks Fear, Curiosity
Safety Concerns Won't Ground Next Space Mission
A Failed Levee in New Orleans: Part Two
Investigations Seek Answers to New Orleans Levee Failures
Volvo Ocean Race: Speed Thrills
Neutrinos: A Cursed Subatomic Particle?
Searching the Sky for Alien Laser Messages