Aliens are any living creatures that are not originally from Earth. They could be anything from intelligent life to simple bacteria; however, there was no concrete evidence to support life outside of our planet as of now. Scientists had allegedly found in an asteroid what could be Martian bacteria.
Main article: Marius Dewilde On September 10, 1954, a railway worker witnesses two small beings boarding an UFO and flying into the sky. Strange things happened on the region on the following days. The case received notable media attention.
Depiction of one of the beings, according to the book La nouvelle vague des soucoupes volantes. July 1, 1965, Valensole, Alpes-de-Haute-Provence. An alleged UFO sighting and close encounter by farmer Maurice Masse. According to Masse, he encountered two small beings near a spherical vehicle that had landed in a nearby field. Masse claims that he was paralyzed when one of the beings pointed a tube-like object towards him. Masse said he watched the beings looking at plants and making grunting sounds until they returned to the vehicle and flew away. According to his wife, Masse said he received some kind of communication from the beings, considered his encounter "a spiritual experience", and looked upon the site as "hallowed ground" that "should be kept in his family forever".
August 29, 1967, Cussac, Cantal. Two young brothers and sisters declare to have been the witnesses of a meeting with a UFO and their occupants.
The Trans-en-Provence Case is one of the rare cases where a UFO left material traces scientifically measurable. This event took place on January 8, 1981, in Trans-en-Provence, in the French département of Var.