Almost 50 years ago, a radio signal was received in the USA that still cannot be explained. Previously unpublished data has ...

A new project has looked at unpublished data from the most intriguing signal in SETI history and found a few intriguing ...

The "Wow!" signal has been etched with a red marker in the memory of advocates for the search for extraterrestrial ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos ...

For almost two decades, astronomers have been breaking their heads, trying to explain extremely bright flashes of radio ...

Long-dead satellite emits strong radio signal, puzzling astronomers NASA launched communications satellite Relay 2 in 1964. Three years later, Relay 2's mission was over.

On Aug. 15, 1977, astronomers using Ohio State University’s Big Ear radio telescope detected the famous "Wow!" signal. To ...

Glowacki further explained how a man-made object so close to Earth could have been mistaken for a cosmic blast of radio waves in the first place. "It was a very bright radio signal that we saw once.

Astronomers have detected a 'coherent' radio signal from a distant planet, reigniting hope for the existence of extraterrestrial life. The signal is thought to originate from a far-off, Earth ...

The astronomers analyzed data from the Low Frequency Array (LOFAR) radio telescope. The LOFAR is made up of 100,000 small antennas across eight European countries, according to the study.