This year is the 25th anniversary of humans inhabiting the International Space Station. A new PBS documentary looks at how the ISS was built and the challenges of surviving in outer space.

On Episode 184 of This Week In Space, Rod Pyle and Tariq Malik look at why space can be scary with a survey of some of the best (and some of the most laughable) movies about critters from outer space!

We have polluted everything — our rivers, seas, air, mountains. The only thing left was the sky. But it too is now dirty,” says filmmaker O.P. Srivastava. “Once, you could look up and feel refreshed.

No one can say with scientific confidence why we exist or what happens when we die. In fact, scientists have a tenuous grasp on what it even means to be conscious. But our purely human urge to ask the ...