A small town in Argentina seems to attract UFOs. A local mayor has recorded hundreds of UFOs over 20 years. In 1995 one crashes into a nearby mountain range - local pilot Tony Galvagno and his friends locate the crash site but are barred from investigating. | For more, visit ...

The Hubble Telescope spots something violating one of the universe's most fundamental laws. What did it see? | For more, visit http://www.sciencechannel.com/tv-shows/are-we-alone?/#mkcpgn=ytsci1 Subscribe to Science Channel! | http://www.youtube.com/subscription_center?add_user=sciencechannel ...