Nasa has unfurled a solar sail in space for the first time, aiming to harness the propulsive power of sunlight for interstellar travel. The US space agency revealed that it had deployed the solar sail ...

Over the last two decades, Les Johnson and his team of engineers have quietly been pushing NASA into a new era of space exploration while nobody was paying attention. As an engineer at the legendary ...

PAGE — Resting on a mesa just above Lake Powell, Page High School could be a perfect fit for a highly technical solar boat competition. Nine students enrolled in the school's Talented and Gifted ...

Sails have been in use to propel ships across lakes and oceans for thousands of years. They're simple tools that use the wind to move vessels through the water — and in some cases, across the land.

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Solar power has long been coveted as an energy source for vehicles ...

A giant solar sail recently unfurled by Nasa has been spotted “tumbling” through space. Astronomers captured the 80-square-metre object, which was unfurled last week, appearing to fluctuate in ...

Shortly after sunrise, the students of Barrio San Luis begin their school run. Around a dozen girls and boys, wearing backpacks and carrying notepads in hand, hop down the muddy river bank and into ...