The leader of a war-torn African nation has put a secret deal on the table for President Trump: Help his country defeat a ...

Now, Chinese researchers have found a way to recycle nearly 100% of the lithium in a battery, The Independent first reported, citing a study from the German academic journal Angewandte Chemie. They ...

If you need to conserve your dying phone battery efficiently, use the built-in tools that your phone already has. On iPhone ...