http://i.cdn.turner.com/cnn/.element/apps/cvp/3.0/swf/cnn_416x234_embed.swf?context=embed&videoId=bestoftv/2011/11/22/pkg-zarrella-search-for-life.cnn

At a time when the Church was preaching concepts of flat earth, the Holy Quran was talking about two different earths and life forms from their communicating with each other at one time. There is a very precise verse of the Quran on this issue. Read the chapter on Extra-terresterial life in the book, Revelation, Rationality, Knowledge and Truth:

http://www.alislam.org/library/books/revelation/