An experimental solar-powered plane landed safely Thursday after completing its first 24-hour test flight, proving that the aircraft can collect enough energy from the sun during the day to stay aloft all night.
Round-the-world balloooning pioneer Bertrand Piccard unveiled his solar-powered aircraft in Switzerland on Friday, ready for another trend-setting circumnavigation of the globe powered solely by the sun.
The first solar plane aimed at reaching the stratosphere made an initial low-altitude test flight over Switzerland Friday.
Circling the globe in an aircraft that used no fuel would be enough for some to rest on their laurels, but the pilots of Solar Impulse 2 on Monday spoke of their new project.
The world's first round-the-world flight to be powered solely by the sun's energy made history on Tuesday as it landed in Abu Dhabi, where it first took off on an epic 25,000-mile (40,000-kilometer) journey that began more ...
Solar Impulse 2 was on Monday approaching the end of its epic bid to become the first sun-powered airplane to circle the globe without a drop of fuel to promote renewable energy.
The final leg of an unprecedented world tour by a solar-powered plane was postponed Saturday due to the pilot's health, he said in a message on Twitter.
The Solar Impulse 2 landed in Spain on Thursday morning after completing a 70-hour flight from New York in the first solo transatlantic crossing in a solar-powered airplane.