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

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

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

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