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How and when did life originate on Earth? How many other Earth-like planets exist in our Solar System and universe? From the beginnings of recorded history, humans have had a fascination with their origins and with questions such as these. As part of our ongoing Science & Society project, Carnegie Science is pleased to present a series of four discussion forums on origins-related questions, including: How did we get here, where are we going, are we alone and what does that mean for humanity? The invitation-only events and subsequent video series will highlight the importance and process of discovery science—emphasizing both how scientists think about fundamental questions and that science is an ongoing data-based debate. Our third discussion asks: "Are We Alone?" a question that has been shared by every sentient human, dating back to the early hominids who saw a distant campfire at night and wondered who was over there in the darkness. Today, we still look at the stars with the same sense of wonder, even if we know much more about them than our ancestors did. Thanks to scientific exploration, we are on the verge of answering that most-profound question of human consciousness. This session will inform and illuminate the scientific methods for robust detection of simple and complex life elsewhere in the universe. On Site Experts Include: Dr. Giada Arney, NASA Goddard Space Flight Center Dr. Alan Boss, Carnegie Institution for Science Dr. Paul Butler, Carnegie Institution for Science Dr. Frank Drake, SETI Institute Dr. Shawn Domagal-Goldman, NASA Goddard Space Flight Center Dr. Olivier Guyon, University of Arizona Dr. Seth Shostak, SETI Institute Dr. Andrew Steele, Carnegie Institution for Science Dr. Jill Tarter, SETI Institute Dr. Mary Voytek, NASA Dr. Kenneth Williford, Jet Propulsion Laboratory, NASA The program will be moderated by Washington Post science writer Sarah Kaplan. THIS IS AN INVITATION-ONLY PROGRAM. REGISTRATION IS REQUIRED TO ATTEND. This program is made possible with support from the Carnegie Corporation of New York.