Stephen Hawking: space aliens are real but don’t talk to them

Stephen Hawking (pictured), one of the world’s leading scientists, has this to say about space aliens:

Aliens are out there and Earth had better watch out, at least according to Stephen Hawking. He has suggested that extraterrestrials are almost certain to exist -- but that instead of seeking them out, humanity should be doing all it that can to avoid any contact.

Hawking’s logic on aliens is, for him, unusually simple. The universe, he points out, has 100 billion galaxies, each containing hundreds of millions of stars. In such a big place, Earth is unlikely to be the only planet where life has evolved.

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