Solar panels use the photovoltaic effect to turn sunlight into power. It's not magic, but it's surely magical. You already know that solar panels turn sunlight into electricity. But how? It almost ...

Here's how you can still benefit from clean solar energy without the cost and hassle of installing panels on your roof. Alexandra Jones is a CNET contributor who writes about food, farming, gardening, ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.

What are the weirdest worlds in our solar system, and how did they come to be? From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt. Everest, to the ...