Aliens can’t hear us, says astronomer
Fainter broadcasting signals and digital switchover mean Earth will soon be undetectable to aliens and extraterrestrials.
Aliens can’t hear us, says astronomer Read MoreTag: Arecibo message
Why don’t those aliens contact us?
Aliens. The indispensable subject of science fiction movies, ‘aliens communicating with humans’, is this time under lens of science. ‘If aliens really exist, why haven’t they tried to contact us?’
Why don’t those aliens contact us? Read More