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(...)

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

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(...)

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(...)