The Wow! signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State University 's Big Ear radio telescope in the United States, then used to support the search for …

But this day would not be like all the others in a SETI effort that would last 22 years. A signal, a strong signal, was detected – although no one would notice until the following morning. That’s when …

Aug 27, 2025 · 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" …

This thumbnail shows the location of the WOW signal on my Sky Map. Because the image is stretched into a Mercator projection there is distortion in the placement of the stars and constellations.

Dec 17, 2025 · In August 1977, a radio telescope in Ohio that was part of the Search for Extraterrestrial Intelligence (SETI Institute) picked up a brief, powerful radio signal from space that no one has ever …

Aug 25, 2025 · 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.

Aug 24, 2025 · On August 15, 1977, astronomers at Ohio State University participating in the university’s SETI project detected the mysterious signal using the Big Ear radio telescope.

The WOW! Signal was first observed on August 15, 1977 by the Ohio State University's Big Ear radio telescope near the 21-cm hydrogen line at 1420 MHz, and has not been redetected since.

Aug 28, 2025 · Since its discovery in 1977, the “Wow!” signal has stayed in the minds of SETI supporters as one of the most mysterious radio signals ever found. A new paper, coauthored with …

Dec 22, 2025 · Nearly five decades after its discovery, scientists have confirmed that the “ Wow! ” signal—still the most tantalizing radio burst ever detected by SETI—was significantly stronger than …