1. Yes it’s true....aliens do exist and here’s the proof!

2. Scientific Probability There are many scientists such as Carl Sagan and Stephen Hawking who believe that it would be improbable for life not to exist somewhere other than Earth!

3. Fossils from Mars NASA's Dr Everett Gibson described finding what he and his colleagues believed were tiny fossils in a meteorite from Mars called ALH84001. The NASA team's theory is that the rock is evidence of past life on the Red Planet. Their findings were announced in 1996.

4. Nasa's Kepler space telescope identifies 715 new planets NASA have found over 700 new planets and Planets have to be the right distance from a star to make them habitable. Four of the new planets orbit a star in a 'habitable zone' - a region around a star where water can remain as a liquid, like Earth. Habitable means people could potentially live on them.