An curved arrow pointing right. Neil deGrasse Tyson explains why finding alien life would change everything we know about our own world. Produced by Darren Weaver and Kamelia Angelova. Additional ...

This suggestion kicked off an ongoing, collective effort among a diverse coalition of researchers ... There’s no telling whether aliens use radio signals, after all. “We have one data ...

By perfecting these intelligent filters, scientists could use them to identify intelligent signals from space in an attempt to make first contact with an alien race. "There are diverse ...