The cockpit voice recorder captured a persistent bell that began about 37 seconds after the crew called for takeoff thrust, and the bell continued until the recording ended, an NTSB official said....

For the first time, a study suggests Alzheimer's may be preventable if treatment begins before symptoms appear. Dr. Jon LaPook spoke with Dr. Randall Bateman, who is leading the clinical trial....

Three days after the crash of a UPS cargo plane in Louisville, Kentucky, search teams are still combing a half-mile-long debris field looking for victims. More details are being released about those w...