After Barack Obama’s statement, the discussion about UFOs and aliens has intensified. America has been running a UFO program for many decades. This also includes reverse engineering of crashed UFOs. In 2021, the Pentagon released three mysterious Navy UFO videos. After this, scientists and experts are also discussing the existence of aliens. Israel’s former space security chief and scientist Stephen Hawking had also expressed the possibility of life on other planets. NASA has started a campaign to search for aliens. Claims of UFO sightings have also been made in American military bases and Canada. Scientists believe that aliens do not necessarily look like humans; They can be of different shapes and sizes. It is clear from this that the mystery of aliens and UFOs still remains a question for people and scientists.