The second edition of the Solar Biennale has opened at Mudac in Lausanne, Switzerland. Exhibits include an artificial sun canopy, orbiting solar panels and a time capsule for plants. The Musée ...

A photovoltaic Dyson sphere is a theoretical megastructure that could provide vast amounts of energy for interstellar space travel and large-scale technological endeavors.

"This demonstration marks the first end-to-end test of our space power beaming technology, proving we can collect and ...

On March 29, a partial solar eclipse will cause a dark shadow over eastern North America — and weather satellites will pick ...