Exosonic, a startup developing supersonic commercial air travel and UAV tech, is winding down after five years of operation. In an update posted to its website, Exosonic said it was unable to find ...

Included in this flash sale is the Dyson Supersonic hair dryer, which is currently the cheapest price it has ever been. Related: The Dyson Airstrait is at its lowest price ever ahead of Black ...

Why don’t we have supersonic aircraft any more? Although commercial supersonic air travel kicked off in the 1960s with the arrival of the Concorde, since that jet was retired in 2003 ...

Supersonic test plane XB-1 smashed its top speed record Tuesday, screaming through the sky at Mach 0.82 or 499 knots (575 miles per hour) true air speed. The milestone, achieved high above ...

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