What We Still Don't Know - Are We Alone (Episode 1)

The Universe is still a place of mystery and wonder. As a cosmologist, I am exhilarated that we can make some progress towards tackling what seem very fundamental questions.

These programs focus on: Was there a beginning? Whether we are alone? What's the future of the cosmos?

What is the nature of reality? With each advance, new questions come into sharper focus. The key issue is what we still don't know.

Are we alone?

Sir Martin explores the possibility that life exists on planets beyond our own. He unveils an unsettling scientific debate that has startling consequences for us Earthlings. Do you believe in aliens? If not, a quick glance through these pages might change your mind!

The Time Lords - Documentary

Produced in 1996, this documentary from the BBC is digs deep into time travel and explores the physics behind wormholes. Is this even possible? Are there attempts to disprove or confirm the theories?

Time Lords is also an introduction about the idea of wormholes to someone who have little idea of what this is about. The documentary features interviews with Stephen Hawking, Kip Thorne, John A. Wheeler and Carl Sagan.

The series was rebroadcast in 1999 with the title "Time Travel" on PBS.

*There is no video from the director at this time.*