Question

do aliens really exist?​

Answer 1

Here, NASA can not proof the existence of Aliens .

If Yes , they may be 10000 million light year away from us.

There is possiblity of existence of life on other planet .

so. we cannot sure about this.

If no, ......

NASA and reserch institution searching the extistence of life or aliens .

Answer 2

I may say that aliens exist in other part of the universe. Scientists are researching about this matter.

Thanks for my answer......