Scientists continue to study UFOs by hoping to learn more about what might be out there. Below are some of the most well known and mysterious UFO cases in the history: 

From Roswell Incident to Phoenix Lights: 7 most famous UFO sightings of all time

World UFO Day is celebrated annually on July 2 to acknowledge the presence of extraterrestrial life and spread awareness about unidentified flying objects. According to the website worldofuday.

World UFO Day 2021: All you need to know about extraterrestrial origin

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From Roswell Incident to Phoenix Lights: 7 most famous UFO sightings of all time

World UFO Day 2021: All you need to know about extraterrestrial origin