Jan 4, 2017: There are two theories. One, we are not alone in this universe and second, we are alone in this universe. Both are equally terrifying. So do you believe in aliens? It's a complicated answer. We have always thought about extraterrestrial life, what aliens would look like, and if the creatures would come in peace, if they exist.

Here are 10 reasons that might make you believe in Aliens-

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• UFO in France

In 1991 people of France claimed that a UFO landed there. Stanford University did many studies on the plants and soil in the nearby area and found mystifying damage due to "powerful microwave radiation."

• "Hill Abduction" or the "Zeta Reticuli Incident"

Barney and Betty Hill, an American couple who were kidnapped by aliens for a short time in a rural portion of New Hampshire from September 19 to September 20, 1961.

• A giant space ship at the bottom of the ocean

In 2011 a diving company of Sweden was exploring the Baltic Sea for treasure. But they found a 60 meter circular object at the end of a stretch that seems like a runway.

• NASA scientist Richard Hoover

Former NASA scientist Richard Hoover says he has found fossilized micro-organisms in meteorites.

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• American politicians have seen unidentified flying objects

Jimmy Carter (US President 1977-1981) and Dennis Kucinich a former U.S. Representative from Ohio reported seeing an unidentified flying object.

• Roswell UFO incident

"In 2012, retired CIA agent Chase Brandon performed an interview with The Huffington Post talking about the Roswell UFO incident. He told that the debris recovered was not a weather balloon, and claimed it did not come from this planet."

• Stephen Hawking

Stephen Hawking said "to my mathematical brain, the numbers alone make thinking about aliens perfectly rational."

• Phone call in Radio

In 1997 radio program Coast to Coast AM, then hosted by Art Bell, aired a call from a frantic man who claimed to be an ex-Area 51 employee. Not only was the call suddenly cut off after the man claimed "they" would triangulate his position soon but the entire show was knocked off the air without explanation. After a few minutes, Coast to Coast went back on using back up equipment, but the caller never contacted them again.

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• Vastness of Universe

Now even those who do not believe in the UFO or alien photos and videos going around, there are many that's, due to the sheer magnitude of our universe it's nearly impossible for there not to be another life. You must first realize how big the universe is.

• Egyptian Hieroglyphs

Ancient Egyptian usually spoke of beings who descended from above the sky. How the sky would open and then bright lights come down in order to teach them about technology as well as to show them wisdom. There are many people who also believe that it is clear proof that aliens once visited the ancient Egyptians.

Although these lead us to the conclusion that aliens exist. But until some kind of evidence is made public, the theories and accusations remain only speculation.

– by Ruchika Kumari of NewsGram. Twitter: @RuchiUjjaini