Do aliens exist? We asked five experts to tell us what's really out there
With US government documents getting conspiracies buzzing again, we ask five space scientists: are aliens really out there?
![Do aliens exist? We asked five experts to tell us what's really out there](/content/images/size/w1460/format/webp/wp-content/uploads/2021/06/aliens-shutterstock-from-conversation.jpg)
With US government documents getting conspiracies buzzing again, we ask five space scientists: are aliens really out there?