A mysterious interstellar radio signal has been blinking on and off every 22 minutes for over 30 years

by | Jul 24, 2023 | 22 minutes, Aliens, interstellar, Nasa, News, radio signals, space, Space News, The Conversation

Last year, we made an intriguing discovery – a radio signal in space that switched on and off every 18 minutes. Astronomers expect to see some repeating radio signals in space, but they usually blink on and off much more quickly. The most common repeating signals come...