Airlines are rushing to adapt to rising fuel costs, but most efficiency gains have already been made. If gas prices continue to rise, it may require a full rethinking of how we fly.

A close chemical relative of the fuel in butane cigarette lighters may be what helps keep air travel viable in a post-petroleum world.

On the cusp of Kayak's IPO, Hipmunk, the next disrupter of the domestic travel market, is taxiing and poised for flight.

With its maiden voyage, the military's X-47B suggests that remote-piloted, stealthy, deadly combat flying is the future.

One century ago this month, commercial air flight took off. And before we know it, we could be flying in cars, or taking family vacations to space. As airline bigwigs convene in London to talk the future, we glance at the bumpy path that got us here.

GE has launched a flight path program aimed at reducing delays, cutting carbon emissions, and saving airlines billions.

Bob Smith, Honeywell's CTO, talks with FastCompany.com about the technology that will soon control the skies overhead.

South African airline Kulula launches a new fleet of conveniently labeled jets.