There are hundreds of billions of planets in our galaxy. Scientists now think hundreds of millions of them have conditions where life could arise. What do scientists think are the best ways of reaching out to them? And why do some...

In 1952, a terrifying creature was spotted in Flatwoods, West Virginia — a 10 feet tall creature with glowing eyes, a spade-shaped head, and cloaked in a metal skirt. Was it an alien, a Cold War experiment, or mass hysteria?

Finding out the appearance of aliens from what we already know about convergent evolution.

Is there other life out there in the universe? Do aliens really exist? If so, then where are they all?! In this most epic of episodes, Dom has his favourite film (Aliens) interrupted by an extraterrestrial visitor - how very...