June 28, 2012

On August 25, 1977, Dr. Jerry Ehman detected an odd radio signal that appeared to be of alien origin. He circled the signal and wrote “Wow!” next to it. Now, almost 35 years later, mankind is finally preparing a definitive response to the Wow Signal. Replying to the Wow Signal? National Geographic has a new…

February 19, 2012

On August 15, 1977, Dr. Jerry Ehman detected a strange radio signal while working with Ohio State University’s Big Ear radio telescope. The signal lasted for 72 seconds and appeared to be of non-terrestrial origin. Dr. Ehman quickly circled the signal’s markings on a piece of paper and wrote “Wow!” next to it. What was…