The U.S. Treasury announced it's phasing out production of the one-cent coin and has made its final order of penny blanks.

"Widespread use could make a significant difference." Historic new law could change how millions of Americans power their ...

It produced a solar particles 500 times greater than the most intense solar particle storm recorded by modern satellites in 2005.

Investors and financial institutions related to 173 wind and solar power projects in Vietnam have called on the government to ...