Solar Impulse 2 pilots Bertrand Piccard and Andre Borschberg, celebrate after Borschberg landed at Kalaeloa Airport, Hawaii. Photograph: Eugene Tanner/AFP/Getty Images

A Swiss man attempting to circumnavigate the globe with an aircraft powered only by the sun’s energy landed in Hawaii on Friday, after a record-breaki(...)

The Solar Impulse 2 flies over Nagoya Airport after taking off in Toyoyama, near Nagoya in Japan. Photograph: AP

A solar-powered plane took off from Japan on Monday on the seventh leg of its journey round the world, a trans-Pacific crossing expected to be the tou(...)

Armed Indian paramilitary soldiers from the Central Industrial Security Force keep vigil after the Solar Impulse 2 Plane landed at Sardar Vallabhbhai Patel International Air Port in Ahmedabad, the main city of western India. Photograph: Getty Images

The first round-the-world solar-powered flight landed in India on Wednesday, the second leg of a 35,000km journey seeking to demonstrate that flying l(...)

The Solar Impulse 2 prepares to take off at Al Bateen airport in Abu Dhabi. Two Swiss pilots, Bertrand Piccard and Andre Borschberg, on Monday embarked on an attempt to fly around the world on the solar-powered airplane that is expected to last for five months and is aimed at promoting clean technology in the aviation sector. Photograph: Ahmed Jadallah/Reuters 1:30

Two Swiss pilots have on Monday embarked on the first attempt to fly around the world in a plane propelled only by energy from the sun.Bertrand Picca(...)

Solar Impulse 2: the aircraft, which can remain aloft at night powered by batteries, demonstrates the possibilities of clean energy. photograph: new york times

Last year, two Swiss pilots became the first to fly across the US using the power of the sun. Now they are back with an even more ambitious plan, to (...)

André Borschberg, Co-founder and CEO and Bertrand Piccard, Initiator and Chairman (in the cockpit)  standing beside the cockpit of Solar Impulse 2, the single seater solar airplane with which they will attempt  the first round-the-world solar flight.  Photograph: Jean Revillard/

A solar-powered aircraft that will attempt to fly round the world next March was revealed in Switzerland this afternoon. It will fly day and ni(...)

Spectators view the Solar Impulse following  in Chantilly, Virginia. Photograph: Win McNamee/Getty Images

The final leg of the first trans-United States flight in a fully solar-powered aircraft began today. The plane, named Solar Impulse, took off from Was(...)