Extraterrestrial Life Courses
AGU via YouTube Planet Hunting in the Cosmos
The Royal Institution via YouTube UFO - The Inside Story of the US Government's Search for Alien Life
The Aspen Institute via YouTube My Search for Proof Aliens Exist
TED via YouTube Are We Alone Out There? - The Search for Extraterrestrial Life
The Aspen Institute via YouTube Planets Beyond Our Sun - Exploring Extraterrestrial Solar Systems
The Royal Institution via YouTube Is There Life on Mars? - Carl Sagan's 1977 Christmas Lectures - Lecture 5
The Royal Institution via YouTube Mars before Viking - Lecture 4
The Royal Institution via YouTube Life in the Universe
City College of San Francisco via California Community Colleges System Life in the Universe
Chaffey College via California Community Colleges System