Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note: Meteorologist ...

Before putting the service into use, the first step is to add files to your OneDrive. The simplest way to do this from your PC is to download OneDrive and drag the files into the OneDrive folder. When ...