The nonprofit has launched this new effort for America's 250th birthday. These conversations will be stored in a time capsule ...

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

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Why are we allowing unidentified objects to operate with impunity in our skies?” one expert testified Tuesday.

Institute have identified a physical mechanism that could finally explain the galaxy's radio silence, suggesting that ...

Intense alien sci-fi, goofy luchador comedy, and one of Robin Williams' best performances are in store this final week of ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

The key to Doctor Who‘s success lies in a particular kind of story. Doctor Who is more varied than most shows, simply because ...