When the sun goes down, solar panels stop working. This is the fundamental hurdle of renewable energy: how to save the sun's power for a rainy day—or a cold night. Chemists at UC Santa Barbara have ...

SANTA MONICA, CA - FEBRUARY 27: Employees of Solar Forward install solar electric panels on a residential rooftop on February 27, 2009 in Santa Monica, California. President Obama signed into law an ...

The secretary of the Department of Energy made this statement on Sept. 2 concerning a solar-energy incident: “Even if you wrapped the entire planet in a solar panel, you would only be producing 20% of ...

Could we redesign solar panels so we can harvest crops and renewable energy in the same space? Solar energy production and farming land benefit from flat, open, sunny fields. But solar panels and ...