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

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

Now a startup called Stardust seeks something more ambitious: developing proprietary geoengineering technology that would ...

As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization ...

New data from a constellation of satellites 250 miles above Earth’s surface shows how solar and wind have taken off in recent ...