Cross-country flights could soon be cut in half after the Federal Aviation Administration (FAA) moved Thursday to scrap its 1973 ban on overland supersonic travel and replace it with new noise limits.

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Cross-country travel could one day look very different if NASA’s newest experimental aircraft lives up to its promise as its prepares to make history in the California desert.

Passenger aircraft could fly from New York to Los Angeles in around two hours, but there are still challenges that stand in the way. Reading time 3 minutes It’s been 22 years since the last flight of ...