Skydiver, daredevil and extreme athlete Felix Baumgartner died Thursday. He was 56. The Austrian, who in 2012 became the first person to break the sound barrier with just his body, died in a ...

When legendary pilot Chuck Yeager broke the sound barrier and flew the Bell X-1 past Mach 1 in 1947, it was the greatest aviation milestone ever achieved at that time. These days, however, reaching ...

Imagine a plane that emitted a constant sonic boom while in the air. The Navy and Air Force both wanted this fighter, but pilots could barely handle it.

Extreme athlete Felix Baumgartner, the first skydiver to fall faster than the speed of sound during a 24-mile leap through the stratosphere more than a decade ago, died in a crash Thursday along the ...