A traveler would have to go through a body scanner 50 times to receive the same amount of radiation as from a dental X ray.
A massive blizzard brought chaos to air, road and train transit.
Given the amount of radiation passengers are exposed to in flight, concerns over the safety of the body scanners may be misguided.
At least 20 levels of security are in place to thwart both terror attacks and troublemakers in the air.
The FAA is beginning to look past domestic skies, planning ahead for what may be coming down the space highway over the next few years.
The Solar Eagle will operate as a pseudo-satellite, soaring 65,000 feet above Earth.
Instead of storing flight data on board, aircraft could easily send the information in real time to the ground.
A recently discovered gene can jump across different species of bacteria and makes infections resistant to antibiotics.
The Solar Impulse will attempt to demonstrate the value of solar energy by flying around the clock.
Take a ground-based telescope and put it 40,000 feet into the air. What do you have? A new way to look at the universe.