Alien first contact: how the new rules differ from science fiction

By Michael Garrett, Sir Bernard Lovell chair of Astrophysics, University of Manchester

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is being visited by creatures from light-years away.

Aliens are in the public consciousness once again thanks to Steven Spielberg’s latest film, Disclosure Day, which follows a whistleblower’s attempts to reveal extraterrestrial visitations…

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