A recent report in the New York Times examined how California uses huge rechargeable batteries to bank excess solar power in the middle of the day when it is not needed. The batteries can then be ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Earth will see a deep ...

Before the month is out, skygazers in parts of the United States will be treated to another celestial show on the heels of a total lunar eclipse that gave rise to the striking "blood moon." But this ...