Are we alone in the universe, and if not, why haven’t aliens made contact with us yet? Perhaps they have and we just haven’t been able to detect it. In this week’s episode of Science with Sam we explain why there could be several answers to the question: does alien life really exist?
More Science with Sam:
Why can’t we stay awake indefinitely?
Tags:
More Stories
As Antarctic fieldwork ends, a sexual harassment reckoning looms
Here’s why Europe is abandoning plans to fly aboard China’s space station
James Cameron did the experiment: Titanic’s Jack probably wouldn’t have survived