San Antonio College Library

For centuries we've looked up at the night sky and wondered: are we alone? We've sent messages out into the depths of space, but we've never heard anything back--until now. In the last few years, a mysterious signal has shaken astronomy to its core. This is the story of a scientific mystery: pulses from space that defy explanation. Horizon explores humankind's quest to find other life in the universe. It's a quirky tale of the unexplained, involving...