Humans will discover aliens within our lifetime, a scientist has sensationally claimed.

Dr Garik Isrealian believes the discovery will be so profound it will "shake humanity".

The astrophysicist even believes we will discovered alien microbes, perhaps on Mars, within the next decade.

He told The Sun: "I think we will discover intelligent life in our lifetime.

"At least, we will find clear signatures [evidence of life] that have come from intelligent life. It’s the kind of discovery that will shake humanity."

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