To protect Washington from surrounding Southerners, Maj. John Barnard built a network of forts and gun emplacements. It was only tested once.
After sharing Nobel Prize, Ken Rutherford wrote a history of Civil War explosive devices
American agents battled opium smugglers cramming contraband into steamers headed for San Francisco Bay
In the 1929, the All Women's Air Derby contestants braved breakdowns, bad maps, and desert crashes
New look at sources erodes story about commanders' infighting contributing to Lee's escape
The largest airborne assault the world has ever seen collides with the bloody realities on the ground.