A Harvard University professor known for his polarizing theories about extraterrestrial life has been tapped by the White ...

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.

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