Readers like you keep news free for everyone.

More than 5,000 readers have already pitched in to keep free access to The Journal.

For the price of one cup of coffee each week you can help keep paywalls away.

Not now

# Solar Impulse

All time

Solar-powered plane takes off on historic flight around the world

The Solar Impulse 2 is expected to take 25 days to fly the mammoth journey.

9.3k

Mar 9th 2015, 10:07 AM

Could this solar-powered plane allow us to fly without fuel?

A 13-year-old project, privately funded in Switzerland, has seen a plane flying across America – by day AND by night.

6.3k

Jun 21st 2013, 6:45 AM

How this plane is travelling across America without any fuel

Powered entirely by the sun, the plane can fly by day or night but it will never be able to carry passengers.

14.6k

May 3rd 2013, 6:18 PM