Astronomers find no signs of alien tech after scanning over 10 million stars
An Australian telescope examined a huge patch of the sky for signs of life. It came up empty-handed.
Where are they .... [en.wikipedia.org]
. . . "absence of evidence is not evidence of absence" . . .
Yes we may be quite alone. And very soon we may have killed our own planet, then it will be a very empty universe, and the stars will cycle on towards a last gasp of entropy, fading into cold over thought free billions of years, unobserved and unloved.