S1E5 · Alien Worlds

Alien worlds are out there. Astronomers now think almost every star has planets orbiting around it, creating billions of different environments in deep space. Weird bacteria exist in the most extreme places on Earth, there's no reason why life shouldn't thrive elsewhere. How will we find life elsewhere in the universe? Diving into the deepest depths of our galaxy in search of the places life could be hiding. Stunning CGI animation cracks open frozen moons blasting ice into space, reveals hidden oceans, and unveils the bizarre worlds where mountains are made of ...