Movies, such as Close Encounters of the Third Kind, and conspiracy theorists insist we are not alone. Everett Collection As far as we know, we are alone in the universe. Earth is the only planet known ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

Spielberg’s hotly anticipated new movie gives fresh impetus to a dilemma that has long captured the imaginations of filmgoers, scientists and the great director himself ...

The trick isn't to just search for biosignatures, but rather to look at how they are organized — and the Europa Clipper has an instrument for this. When you purchase through links on our site, we may ...