Universe in 3D: Nemesis - The Suns Evil Twin

Could there be a monstrous, undiscovered star orbiting our own Sun? Could it be scattering killer comets throughout our Solar System like clockwork every 26 million years? New scientific surveys are probing the edges of our Solar System – a realm populated by giant worlds and mysterious planetoids – hunting for Nemesis, the Sun’s purported evil twin. We may be on the verge of discovering this ultimate death star, suspected of causing every mass extinction in Earth’s history.