|Where are all the aliens? For decades, humans have searched for artificial signals, yet the skies above remain silent. But new research suggests that researchers’ investigations have so far not been particularly exhaustive; if the total||
By Adam Mann
possible search space were equivalent to the all the water in Earth’s oceans, we have examined only a hot tub’s worth of volume.
The findings support those who argue that “the Great Silence” is merely an artifact of our limited investigations. “Bright and obvious radio beacons might be quite common in the sky, but we would not know it yet, because our search completeness to date is so low,” the authors wrote in the paper.