Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

An iron-air battery in the Netherlands, which can store energy for 100 hours or more to make renewable power sources more ...

Copper demand is rising faster than the industry anticipated, driven by billions of dollars being invested worldwide to ...

SAN DIEGO (AP) — The Grid took over Comic-Con on Friday, bringing the stars of the new “Tron: Ares” films to unveil footage ...

A North Carolina woman was found alive in Colorado nine months after she went missing and her car was abandoned in the "Slab ...

Grid-tied solar systems tend to be the cheapest and most flexible option. Because you won't rely entirely on your panels for all your energy needs, there are typically fewer upfront costs in the ...

The worst states to try to go off grid, according to the Elliots, are California, Oregon, Washington and New Jersey, because of high property taxes and what they say is more intrusive governmental ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...