Shares of U.S. solar energy companies tumbled in extended trade on Monday after Republicans who control the U.S. Senate ...

Calculating your potential payback period will depend on a lot of variables.

Solar sails represent one of the most elegant concepts in space exploration: using sunlight itself to propel spacecraft ...

Solar generators are popular - but what happens when it's cloudy? This gadget keeps the power flowing no matter the weather.

Spain and Portugal were plunged into darkness recently in a major blackout but the UK hopes to avoid this issue.

Perth and Kinross Council felt the "excessive" scale had not been fully justified for such a "significant" loss of prime ...