Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

Scientists say bad space weather may be one reason alien tech signals have not reached our telescopes in a usable form, after ...