Bjorn Birnir dreads an airplane seatmate asking what he does for a living. That's because Birnir is one of the world's leading scholars of turbulence, the chaotic movement of fluids, such as water or ...

September 2024: The Tower of Voices in Pennsylvania stands 93 feet tall in honor of United Flight 93, the plane that crashed on September 11, 2001, when passengers thwarted hijackers’ attempt to crash ...

Everyone agrees on one thing: Metrojet Flight 9268 crashed in Egypt on Sunday after breaking up mid-air, killing 224 people. Why that happened is the focus of intense international discussion at the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Cockpit recordings indicate the passengers on United Airlines Flight 93 teamed up to attack their ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." September 2024: The Tower of Voices in Pennsylvania stands 93 feet tall in honor of United Flight 93, the ...