Ancient Martian civilisation was wiped out by nuclear bomb-wielding aliens - and they could attack Earth next, claims physicist

Ancient Martian civilisation was wiped out by nuclear bomb-wielding aliens - and they could attack Earth next, claims physicist | Daily Mail Online: "According to Vice, the conclusion of his latest paper says that nuclear isotopes in the atmosphere resembling hydrogen bomb tests 'may present an example of civilisation wiped out by a nuclear attack from space.'"