A solar-powered plane is preparing for a 35,000km trip around the world without using a single drop of fossil fuel. Here's how you can follow its journey.
The Solar Impulse 2 is the world's first airplane powered entirely by sunlight, and it will soon embark on a 12-leg journey around the world. It's an ambitious flight that could take up to 5 months if the weather doesn't cooperate, but the plane's pilots hope the trip inspires sustainable design.
The Solar Impulse successfully lands in St. Louis early Tuesday to finish the third leg of its five-leg trek from San Francisco to New York.
The Solar Impulse 2 takes off from Abu Dhabi on the first leg of an attempted 20,000-mile circumnavigation of the globe -- an unprecedented journey for a sun-powered craft.
Elon Musk's tube transport concept unveiled a year ago remains just that: a concept. It also proves that even when the Internet falls in love, radical ideas rarely exit the realm of fiction.
Using only the power of the sun's rays, the souped up lightweight aircraft climbs to nearly 6,000 feet and stays aloft for more than two hours.
The aircraft's lengthy wings are outfitted with 17,000 solar cells that will power it during a trip around the world next year.
Social-networking giant looking at the company's solar-powered high-altitude drones to deliver Internet access, according to TechCrunch.
As the solar-powered plane nears the end of its coast-to-coast U.S. journey, pilot André Borschberg speaks with CNET about the view from 8,000 feet up.
The longest leg of the cross-country tour marks a distance record for solar-powered aviation as the slender aircraft touches down in Texas.