A Caltech experiment demonstrated space-based solar power’s potential, marking a key step in harnessing orbital renewable energy.

After over a decade of research and testing, Caltech's Space Solar Power Demonstrator arrived above Earth on Tuesday to begin testing.

The U.S. needs a lot more renewable energy to meet its climate goals. In some communities, the opposition to large solar projects comes from environmentalists themselves.

Federal incentives to lessen the financial burden of solar panel installations are ending earlier than originally planned ...

Considered the realm of science fiction until recently, space-based solar power has been gaining more prominence lately with the world's leading space agencies launching development projects and ...

Solar power stations in space could be the answer to our energy needs Such tech, if fully realized and implemented on a large scale, would be game-changing, project team members said.

The United States added 22,332 megawatts of power plant capacity in the first half of this year, and the vast majority of it ...

We spread masses of sunlight-harvesting panels on solar fields, and many people power their homes by decorating their roofs with the rectangles. But there's a caveat to this wonderful power source.

This giant solar power station could beam energy to lunar bases The butterfly-inspired Greater Earth Lunar Power Station could be made with materials found on the moon.

What are the advantages and drawbacks to this technology? Solar power stations in space could mean humanity has a 24-hour source of clean energy in abundance.

33% of Americans think wind or solar development would help their local economy, while 7% say it would hurt.