The capacity of solar panels fitted on campervans and off-grid vans is normally expected to be lower compared to what is ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...

China says its Zhuri system wirelessly delivered kilowatt-level power to moving targets, advancing space-based solar power research.

A hybrid solar-thermal farm system achieves 4x heating efficiency. See how PVT and heat pumps are revolutionizing livestock ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

Switch to plug-in solar? My advice after testing the DIY energy tech at home ...

Every solar panel company makes bold claims about its panel efficiency, maximum wattage availability, temperature coefficient and other specs in optimal conditions. Anyone who does product testing ...

Solar panels need sunlight, not heat – so what happens to your home’s energy generation when temperatures soar?

Solar Impulse 2, the pioneering aircraft known for the first round-the-world solar flight, was lost during an uncrewed flight, ending its decade-long journey in the skies.