Despite what your TV listing says, it isn't always sunny in Philadelphia -- or anywhere else. That means your solar panels won't always be soaking up the sun's rays. Solar panels are rapidly growing ...

The sun is in an active portion of its 11-year solar cycle, meaning there could be an uptick in solar storms capable of causing power outages, radio blackouts and GPS disruptions on Earth. Scientists ...

While it might seem intimidating, it’s actually fairly easy to come up with a decent estimate of how many kilowatt-hours your solar panels can produce each day. When making this calculation, keep in ...