It's a topic that's been fascinating moviegoers and scientists alike for a long time - aliens.

While we're probably not talking about the toothy beasts in Ridley Scott's iconic 1979 sci-fi flick, a British scientist is saying that he believes that alien life will be discovered within the next 40 years.

So what do you think about this topic? Don't be shy, our polls are always anonymous (of course you're more than welcome to comment as well)!