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World War A – When Aliens Attack

Are there aliens and could they come to destroy our earth? Many scientists, such as Stephen Hawking, are convinced that there are and warn against the consequences of contact. Could aliens be dangerous to us?

The film accompanies renowned scientists on their search for life in space. Are there planets where life is possible — maybe even a second Earth? Will we soon find life on Mars? How could aliens travel through the universe? SETI researchers are using radio telescopes to listen for signals from extraterrestrials. Some even want to send news into space. But is this really a good idea? What if we attract the attention of dangerous aliens? Would we have a chance against the attackers? Or would an alien invasion be the end of humanity?