In this scenario, our first contact with aliens would be tragic. We should look for "loud shouts in the night".

Real or imagined, aliens challenge our beliefs of what it means to be human. July 2, 2013— -- Today is World UFO Day. People in different countries are coming together to share stories about ...

It’s one of the most popular themes in science fiction—top secret government experts are ready to spring into action if a UFO appears. For example, in the novella-based 2016 film Arrival, the ...