It’s been nearly 50 years since astronomers detected the most famous space signal we’ve ever received—a 72-second radio burst that lit up a printout at Ohio State’s Big Ear radio telescope in 1977.

In the third week of August 1977, Ohio State University astronomer Jerry Ehrman was going over a computer printout of signals collected a few days earlier from his university’s “Big Ear” radio ...

On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...

On a quiet August night in 1977, something extraordinary happened in the Ohio countryside that would captivate scientists and alien enthusiasts for nearly five decades. While most people were sleeping ...

In 1977, a mysterious 72-second space signal was detected. Was it aliens? Explore the Wow! Signal. In 1977, astronomers detected the Wow! Signal, a mysterious 72-second radio burst from deep space ...

In 1977, a 72-second radio burst was detected by the Big Ear radio telescope - so unique that astronomer Jerry Ehman marked it “Wow!” The signal was narrowband and non-repeating, unlike any natural ...