News has leaked of the discovery of a radio transmission from our nearest neighboring star, Proxima Centauri. Did we just detect alien communications?! Join us for this special video with Professor Kipping explaining what we know and why some skepticism is warranted. You can now support our research program and the Cool Worlds Lab at Columbia University: https://www.coolworldslab.com/support Get Stash here! https://teespring.com/stores/cool-worlds-store Thank-you to K. Clark, T. Widdowson, D. Smith, S. Hackley, M. Sloan, L. Sanborn, K. Kantor, P. Herman, A. Aganbegyan, C. Bottaccini, D. Brunk, D. Daughaday, S. Fincher, J. Kindred, A. Jones, J. Allen, S. Baldwin, J. Black, S. Brownlee, S. Chaturvedi, D. Denholm, T. Dorais, G. Downton, E. Urrestarazu, G. Fulton, S. Griffiths, P. Halloran, J. Jurcevic, N. Kildal, J. Kobernick, W. Kobernick, V. Kremer, M. Lijoi, S. Loftin, B. Loizides, A. Maslyanchuk, B. Matson, O. Mcintyre, L. Mitchell, A. Pelletier, J. Rivillas, B. Robinson, Z. Star, L. Steely, E. Stefan-Matyus, M. Steven, E. West, B. York, T. Zajonc, P. Gowd, S. Kelsey, P. Kommareddy, C. Wolfred, D. Vennel, E. Dessoi, F. Naeem, F. Rebolledo, H. Laging, J. Falls, J. Adams, M. Gremillion, P. Rutherford, T. Kline, T. Leger, L. Skov, D. Roberts, E. Wilson, I. Baskerville, J. Bassnett, J. Shackleford, M. Undin, M. Kroebel, I. Johnstone, G. Suter, I. Hopcraft, J. Valdes, P. Akrill-Misso, W. Robertson, E. Orman, G. Ingham, D. Hecke, J. Pilloff, T. Bernhard, D. Dianovszki, E. Cook, S. Mass, T. Richards, T. Lancaster, C. Stouffer, G. Benson, A. de Vaal, C. Diamantis, J. Wenzel, M. Elliott, M. Wallstab, S. Bialek, B. Thomson, B. Daniluk, B. Bowen, D. Jacobson & M. Forbes. ::Clips used:: ► Parkes timelapse by Angelo Papakostas: https://vimeo.com/66404362 ► LEO orbits by NASA/Goddard Space Flight Center Scientific Visualization Studio: https://youtu.be/gF9UlTYR5d0 ► Moon transit by NASA/NOAA/EPIC: https://youtu.be/DMdhQsHbWTs ► Satellite orbit animation by ESA: