Big Picture Science – Aliens – The Evidence

by Gary Niederhoff on November 14, 2016

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Big Picture Science: Aliens – The Evidence

Once again the aliens have landed … in theaters. It’s no spoiler to say that the latest cinematic sci-fi, Arrival, involves extraterrestrials visiting Earth.

But for some folks, the film’s premise is hardly shocking. They’re convinced that the aliens have already come. But is there any proof that aliens are here now or that they landed long ago to, for example, help build the Egyptian pyramids?

Meanwhile, SETI scientists are deploying their big antennas in an effort to establish that extraterrestrials exist far beyond Earth.

Find out why – even if E.T. is out there – one scientist says making contact is a long shot, while another pioneering scientist involved in SETI remains hopeful … and could aliens be responsible for the peculiar behavior of two star systems now making the news?

Listen to individual segments here:
Part 1: Seth Goes to AlienCon
Part 2: Ben Radford / U.F.O.s
Part 3: Paul Davies / Expanding the Search
Part 4: Jill Tarter / Interesting Phenomena

{ 2 comments… read them below or add one }

avatar Mark Plutowski November 19, 2016 at 4:24 pm

Enjoyed the episode, as always. Love the vignettes. Thank you!

Speaking of the Fermi Paradox, what do SETI-ans think of the Dark Forest theory?

avatar Richard November 22, 2016 at 12:08 am

We know from evolution that ALL life has a common ancestor. From this, it has been extrapolated that, life originated on our planet only once. If this was the case then the genesis of life is a rare accident and probably not inevitable, otherwise we should be seeing it all the time and easily be able to recreate it in our laboratories. The other possibility is that it is inevitable and life arose several times, and perhaps still is, but that primitive life have identical pathways, governed by chemistry, and thus we cannot differentiate more modern primitive life from ancient primitive life.
What do you think?

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