A high-altitude unmanned-aerial-vehicle prototype, powered by solar panels and batteries, performs functions commonly attributed to spacecraft flying in low Earth orbits. HAPS is happening. UAVOS Inc.

Bangalore-based NewSpace Research and Technologies (NRT) has secured a contract worth INR1.68 billion (USD18.6 million) from ...

An electric-motor driven UAV (unmanned aerial vehicle) recently completed a 48-hr nonstop test flight using only solar energy. The two-day test demonstrated the feasibility of sustainable flight using ...

When the US Naval Research Laboratory (NRL) selected Alta Devices, a Hanergy Company, as the solar solution for the prototype Hybrid Tiger UAV (Unmanned Aerial Vehicle) Project, I decided to see what ...

Have you ever imagined a drone that could fly indefinitely, powered only by the sun? It sounds like something out of a sci-fi movie, but it’s now a reality. By harnessing the power of renewable energy ...

While SolAero provided technical data for the Solar Performance Index calculations in an earlier piece, What the US Navy’s solar drones tell us about thin-film solar’s potential, their responses to my ...

No matter how cool, versatile, or sophisticated drones might be, they all suffer from the same problem: Limited flight time. They can only do so much on a single charge; you either have to wait until ...