Solar Impulse 2 took off from Goodyear Airport at 3:05 a.m. MT with pilot and Chairman of Solar Impulse, Bertrand Piccard, at the controls. The plane weighs over 5,000 pounds -- about the heft of ...

The Solar Impulse 2 aircraft landed in Cairo on Wednesday, putting it tantalizingly close to completing a circumnavigation of the globe without burning a single drop of fuel.

Solar Impulse, a prototype of an airplane designed to fly around the world using only solar power, made its first real flight today. As the sun shone down on the Swiss countryside an aircraft ...

The Swiss-built Solar Impulse airplane ended its two-month-long, solar-powered trip across America with a nail-biter of a flight from Washington to New York on Saturday."Maybe if I didn't have 10 ...

The record-breaking Solar Impulse plane will be grounded in Hawaii for at least two weeks because of battery damage, making a complete round-the-world journey this year increasingly difficult.

Prior to the Solar Impulse 2’s flight, the previous record for longest solo flight had been held by entrepreneur Steve Fosset, who flew 25,000 miles around the world in a 76-hour trip in 2006.

Solar Impulse set to soar on U.S. tour 18 photos Piccard and Borschber rotated 24-hour shifts for the flight across the United States. The trip around the world will be done in four- to six-day ...

The Solar Impulse can move its 4,409-pounds carbon-fiber body at an altitude of 39,370-feet, while maintaining a 43.9mph average speed. Full specs and a picture of the team after the jump.

Solar Impulse was grounded in Hawaii after the plane's battery system sustained damage during the Japan-to-Hawaii leg of the trip. After at least two planned stops in the United States, Solar ...

The Solar Impulse plane has broken the record for the longest non-stop solo flight without refuelling. The milestone was achieved 76 hours into the latest leg of its attempt to circumnavigate the ...

The longest leg of the cross-country tour marks a distance record for solar-powered aviation as the slender aircraft touches down in Texas. Solar Impulse flies 957 miles to set world record - CNET X ...

German test pilot Markus Scherdel steers the solar-powered Solar Impulse 2 aircraft for its maiden flight at its base in Payerne on June 2, 2014. The aircraft weighs 2.4 tons with a wingspan of 72 ...