The program opens with the question “Are aliens real?” and says the discussion will be with an astronomer, rather than someone claiming to communicate with extraterrestrial beings. This article summarizes the astronomical questions and exploration context without concluding that extraterrestrial life has or has not been found.
Separating what is known from open questions
The search for extraterrestrial life is a scientific question that requires observational evidence and independent replication. The video discussion does not provide a discovery or estimate that should be treated as a conclusion.
This article summarizes a conversation; it is not news of a new discovery. A full science article would need direct sources from space agencies and research papers.