NASA: YES, ALIEN LIFE EXISTS IN UNIVERSE

And we just can't explain all these unidentified anomalous phenomena

- WILL STONE

THE head of Nasa believes aliens are out there - although he hasn't found them yet.

Bill Nelson thinks the space organisation will discover another habitable planet in the universe given the billions of galaxies that exist.

He said: "Could there be a replication of life on Earth in another solar system that is so big? "