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 ...

A solar sail is no longer just a graceful idea for propellant-free flight; it is becoming a materials and deployment problem that engineers are finally learning how to solve. That shift matters ...

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

An artist’s concept of NASA’s Advanced Composite Solar Sail System spacecraft in Earth orbit. NASA / Aero Animation / Ben Schweighart Earlier this year, NASA loaded a microwave-sized device packed ...

NASA is calling on stargazers to keep their eyes peeled for the space agency’s experimental solar sail mission. After some hiccups, the Advanced Composite Solar Sail (ACS3) has fully deployed its ...

Imagine a boat that runs on sunshine. That's precisely what the Solar Sal 24 is all about. It's an electric boat created by Belmont Boatworks in Belmont, Maine, and here's the kicker: it's the very ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

Researchers from Tuskegee University, Alabama, have developed a new photonic crystal (a kind of ...

MONTE CARLO, Monaco (KLFY) — Boats of all shapes and sizes – from some of the world’s largest, most-luxurious yachts to sleek powerboats – cruise the waters near the Monaco Yacht Club on the ...