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 ...

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 ...

The solar-powered explorer yacht Helios 11 could "run forever" with solar energy, in theory.

Add Yahoo as a preferred source to see more of our stories on Google. Video shows NASA's futuristic solar sail technology prototype. Like a sail on the ocean propels a boat with the wind, this space ...

NASA is working on something massive, and it will focus on a new spacecraft that would not need engines or burn fuel to get it going as it floats across space and gets to where it needs to go. It is ...

A sunlight-propelled satellite floating though space on huge metallic sails sounds like an idea straight from science fiction. But scientists at NASA Langley Research Center in Hampton, Virginia have ...

The LightSail 2, a small CubeSat fitted with a solar sail spanning 32 square meters (433 square feet), is still sailing through Earth's orbit two and a half years after launch. LightSail 2 is a ...

NASA on Tuesday said it's investing $2 million over two years to advance the development of a new solar sail concept called diffractive lightsailing. With diffractive lightsails, NASA could ...

Space travel technology has advanced so much within the last 53 years. What used to be impossible is now possible, and it seems like the tech just keeps on progressing. But amidst the smoke of rocket ...