The United States government's recent release of hundreds of previously classified unidentified anomalous phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg movie,

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

Spielberg's new film imagines what might happen if the existence of non-human intelligence was revealed to the world.

Aliens could already be broadcasting clear signals across the cosmos while humans remain 'utterly blind' to them, according to astronomer Prof. Jon Willis, who argues that our current search strategies may be tuned to the wrong timescales,