The sun-powered Solar Impulse 2 aircraft has been grounded in Hawaii, its crew said Saturday, after a grueling five-day, fuel-less flight across the Pacific Ocean overheated its batteries. The ...

KAPOLEI, Hawaii (AP) — The pilots of a grounded solar-powered airplane say they put too much stress on the batteries of their aircraft as they were leaving Japan for a five-day record-breaking flight ...

Solar Impulse 2 is an aircraft on a mission -- to circumnavigate the globe using nothing but the power of the sun. The journey is being undertaken in multiple legs, and it kicked off several months ...

Who needs gas? Solar Impulse 2 takes off on a round-the-world flight with only the sun for fuel. Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in ...