Most Scientists Agree Alien Life Exists, Study Finds

86.6% of astrobiologists, and 88.4% of other scientists, were in agreement.

However big you think the universe is, it’s almost certainly bigger.

Our galaxy, the Milky Way, is 100,000 light-years across (one light-year is about six trillion miles).

And according to some estimates, there could be one to two billion galaxies in the universe. So perhaps it’s no wonder scientists have long wondered whether we can really be alone in that endlessness.

In fact, our intergalactic solitude seems so unlikely to some that a puzzle – the Fermi paradox – centres on its........

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