Nell Greenfieldboyce Nell Greenfieldboyce is a NPR science correspondent.
Search Is on for Original Apollo 11 Footage
Tracking Surgical Supplies in the Operating Room
'Natural' vs. 'Cultured' Diamonds
Hotel Tycoon Eyes Affordable Space Vacations
Shuttle Makes Historic Independence Day Launch
Shuttle Discovery Blasts into Orbit
Shuttle Launch Is a Go, Despite Cracked Foam
NASA Sets New Discovery Launch Date for July 4
Discovery Launch Conditions Said Favorable
Wayne Hale's Insider's Guide to NASA
Scientists Grasp for Sense of the Human Touch
Lawmakers Consider Mandating Coal Mine Refuges
The Rocket Girls from North Dakota
Methanol: The Key to Building a Better Battery?