NASA probe finds 'alien' matter outside solar system

[NewsCaster]

For the very first time, a NASA spacecraft has detected matter from outside our solar system — material that came from elsewhere in the galaxy, researchers announced Tuesday. This so-called interstellar material was spotted by NASA's Interstellar Boundary Explore (IBEX), a spacecraft that is studying the edge of the solar system from its orbit about 200,000 miles above Earth.

MSNBC