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Why aliens might already know that humans exist - BBC
Extraterrestrial evidence: 10 incredible findings about aliens …
9 things we learned about aliens in 2021 - Live Science
Astronomer Avi Loeb Says Aliens Have Visited, and He’s Not …
Have We Already Been Visited by Aliens? - The New Yorker
What's the best evidence we've found for alien life?
Do Aliens Exist? We Asked a NASA Scientist: Episode 5
Is there evidence aliens have visited Earth? Here’s what’s come …
Where we might find aliens in the next decade - BBC
Helen Sharman: 'Aliens exist and could be here on Earth' - BBC