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When we talk about the speed of sound, we usually mean how fast it moves through air. But it can travel much faster through other media, and now scientists at the University of Cambridge and Queen ...

Austrian daredevil Felix Baumgartner, 43, became the first man to break the speed of sound in free fall on Sunday. Baumgartner, a skydiving expert, also broke two other world records — highest free ...

This seems to be the most common discussion regarding the recent Red Bull Stratos Jump. Unless you have been living under a rock lately, you have probably seen the awesome jump from 128,000 feet. Here ...

Sound has a speed limit. Under normal circumstances, its waves can travel no faster than about 36 kilometers per second, physicists propose October 9 in Science Advances. Sound zips along at different ...