- For decades we've been sending signals - deliberate and accidental - into space. But what is the plan if one day an alien were to reply? http://www.bbc.co.uk/news/science-environment-16273512 45 comments space
Linking pages
Linked pages
Related searches:
Search whole site: site:bbc.com
Search title: Alien hunters: What if ET ever phones our home? - BBC News
See how to search.