This article on news.yahoo.com recently caught my attention and I thought it good enough to share with you.

NASA’s eyes grow dark with outer solar system missions
by Will Dunham from Reuters Washington Wed Feb 6:
NASA officials at the U.S. space agency are planning an ambitious unmanned journey to the outer solar system, to better understand some mysterious forms of energy in the cosmos.

It would be great to see another unmanned space mission like Voyager, that traveled beyond our solar system to explore deep space. Voyager 1 was the first spacecraft to explore this bubble called the heliosphere, when it crossed into it’s outer layer (the heliosheath) in December 2004, and encountered the shock wave that surrounds our solar system, the solar wind termination.  Then Voyager 2 followed behind on August 30, 2007, at only 10 billion miles away from Voyager 1 and almost a billion miles closer to the sun.

Read more at http://voyager.jpl.nasa.gov