Portable solar panels are reshaping how backcountry explorers think about access to electricity. Solar has become far more affordable and widely available in less than a decade. As a result, these ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

Small, plug-in solar power systems have become popular in Germany and several other countries. So why haven’t they taken off in the United States? By Claire Brown Across Germany, more than a million ...