58:14

Asteroid Armageddon: Will the Kind of Rock that Obliterated the Dinosaurs Get Us Next?

SETI Institute

1:04:46

Dark Energy and the Runaway Universe

SETI Institute

1:00:49

The Fermi Paradox: Why Are There No Tourist from Other Worlds?

SETI Institute

1:01:40

How I Killed Pluto and Why It Had it Coming

SETI Institute

1:05:00

Is Doomsday 2012 for Real, or Will You Still Have to Pay Taxes in 2013?

SETI Institute

57:13

Star Trek Science

SETI Institute

57:46

Should We Contact ET?

SETI Institute

59:37

Do They Need to Get It Right: What's Wrong with Cinema Sci-Fi

SETI Institute

56:42

Warp Eight Mr. Scott: Will It Happen? The Future of Space Travel

SETI Institute