Although scientists have found the evidence of Planet X or Nibiru may exist, it is still not sure as its only a theory and no direct observation has been made.
It's been estimated that there are more stars in the universe than there are grains of sand on earth but also that there are more atoms in one gram of sand than stars in the universe .
Every Year on August 5 , the Mars curiosity rover celebrates the anniversary of its arrival by singing the happy bday song to itself all alone on Mars.