There are many powerful alien races in the Dragon Ball franchise, but only a few of them could actually destroy the Earth.

Across the expansive history of the "Star Trek" franchise, humanity has encountered a growing number of alien races, many of whom that are exceedingly formidable when crossed. These are civilizations ...

On Mars, Earth’s neighbor, lived one of the strongest and most versatile alien races in the universe. The red planet had two types of Martians, Green and White, with the former being slightly stronger ...