Is it fear of ridicule if aliens from a far away galaxie exist they would not likely have heard about Jesus of Nazareth, that keeps those who believe in the supernatural from believing in aliens? Aliens wouldn’t be like angels. They would be 100% natural. As the universe has shown us, it’s made of all things natural. All building blocks of life are found in the nebulae of a supernova. If Aliens from another planet seem far-fetched, you had better not believe in angels. That would be like not accepting dinosaurs existed, while believing in fire breathing dragons.