World UFO Day 2020: How close have we actually got to finding aliens, and what would they be like?

As another World UFO Day comes around, many will welcome the opportunity to muse about advanced alien life forms jetting across the universe in bizarre spacecraft. While the existence of UFOs is not a conventional topic of scientific research, there is no shortage of scientists searching for extra-terrestrial life. In recent years, exciting announcements have emerged from the world’s biggest space agencies that have provided some of the most tantalising hints yet that alien life may be lurking in our own solar system. Data gathered by...