speed of sound

Air Force Legend Chuck Yeager Broke the Sound Barrier–but Was He Really the First in History?

Trailblazing U.S. Air Force pilot Charles "Chuck" Elwood Yeager made history in 1947 as the first person to break the sound barrier in level flight. His triumph inspired a book and ...

July 12, 2020BY Louise Chambers
Red Bull Stratos Take 2: Skydive From the Edge of Space (Video)

Felix Baumgartner's intrepid mission to break the speed of sound has been rescheduled for 8 a.m. ET (12 ...

October 13, 2012BY Belinda McCallum
Red Bull Stratos: Freefall Jump From Edge of Space (Live Feed)

Felix Baumgartner will skydive from 23 miles (36.5 km) above the Earth at 8:30 a.m. ET (12:30 p.m. ...

October 9, 2012BY Belinda McCallum

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