Researchers have theorised that a primordial stellar intruder not only stole material from our Solar System, but mixed up the orbits of Kuiper Belt objects
Solar System
Solar System
Solar System
Does Planet X exist?
Could another planet exist in the Kuiper Belt? The jury is still out…
Solar System
Top Five: Bizarre space conspiracy theories
We take a look at five of the most ridiculous space conspiracy theories that have somehow found their way into the public domain.