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Welcome to the Infinite Monkey Cage, the show that mixes science and rationality,

although it may meander a bit. I'm Brian Cox and I understand the pomeran.

Well, I'm Robyn Ants and I'm sometimes, in fact, frequently confused

by the gender-swapping nature of the Slipper Limpit.

Coming up on the Infinite Monkey Cage this week, we'll be discussing the possibility

of intelligent life beyond our solar system, the search for signals from alien

civilizations and will be imagining what they might make of us.

And if they decide to pay us a visit, how would they get here?

It was triangular in shape, a fairly bright, luminous grey green,

and one of the oddest things about what we saw was the way this object,

whatever it was, was following our flight absolutely perfectly,

as if it were flying in formation.

The truth behind UFO's alien visitations and some other great conspiracy theories.

Helping us separate the science fact from the science fiction, we've got two

extra primates inside the monkey cage today, Seth Shostak, a senior astronomer

with the Seti Institute in California, whose job is to search for intelligent life

beyond our planet, and a filmmaker and author, who has made his reputation

covering some of the more peculiar beliefs out there.

From examining David Ike's obsession with lizards ruling the world,

to looking at alien abductions with Robbie Williams, the US Army's attempts

...