The plane just finish a solar-powered journey around the world. Where do the technology and vision go from here?
A team of visionary Swiss engineers and at least one test pilot with nerves of steel have pushed solar-powered flight...
The Swiss-built Solar Impulse airplane is about to enter the darkness today, already several hours into what is slated to...
Considering the massive carbon emissions that come from burning jet fuel, air travel is in serious need of a green...