Astronomers are crystal clear that extraterrestrial life exists. They also think it will take 1,500 years to find it

Astronomers say intelligent extraterrestrial life is statistically likely, but there is still no confirmed contact with it.

A 2016 Cornell study estimated humanity may need about 1,500 years before its radio signals could reach enough of the galaxy for a reply.

The limited size of our ‘radio bubble’ helps explain why SETI has not found a signal yet, despite decades of searching.

Researchers are now widening the search beyond narrow radio bands to broader technosignatures.