SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete mystery.

Since its discovery in 1977, the Wow! Signal has puzzled radio astronomers. The Ohio State University Big Ear radio telescope found this powerful 72-second narrowband radio signal. The signal was ...

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 ...

"Our results don't solve the mystery of the Wow! Signal, but they give us the clearest picture yet of what it was and where it came from." When you purchase through links on our site, we may earn an ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. "Wow!" signal printout. The comment on the side inspired the event's name. | Credit: Big Ear ...

On August 15, 1977, a large radio telescope at Ohio State University — which went by its more popular name "The Big Ear" — received a mysterious signal that got immortalized as "the WOW! signal" in ...

The "Wow!" signal has been etched with a red marker in the memory of advocates for the search for extraterrestrial intelligence (SETI) since its unveiling in 1977. To this day, it remains one of the ...

In August 1977, the Ohio State University Radio Observatory picked up a radio transmission from the Sagittarius constellation that was so strong it inspired the astronomer who discovered it to write ...

This month an astronomer claimed to have debunked a mysterious 1977 radio signal from deep space, but other scientists aren't buying his theory. Eric Mack has been a CNET contributor since 2011. Eric ...

The Wow! alien signal may have come from the constellation Sagittarius. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Researchers may have ...

For researchers seeking answers to the question of whether we are alone in the universe, one event nearly half a century ago lingers even today — the so-called "Wow! Signal" detected back in 1977.