Mysterious new alien radio signals detected repeating with a regular 16-day cycle

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The search for extraterrestrial life has long fascinated scientists and the public alike. One of the most intriguing recent discoveries in this field is the detection of mysterious alien signals that appear to repeat on a consistent 16-day cycle.

This article explores the nature of these signals, the methods used to detect them, and the potential implications for our understanding of the cosmos.

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What Are Fast Radio Bursts (FRBs)?

Fast Radio Bursts (FRBs) are brief, high-energy pulses of radio waves that originate from deep space. First discovered in 2007, FRBs have been detected by various radio telescopes around the world. These signals are highly enigmatic, with their origin and cause remaining largely unknown. The recent discovery of a repeating 16-day cycle has added a new layer of mystery to these already puzzling phenomena.

The 16-Day Cycle

In February 2020, astronomers announced that they had detected a pattern in a specific FRB named FRB 180916.J0158+65. This signal was found to repeat on a regular 16-day cycle, with bursts observed over four days followed by a 12-day period of silence. This marked the first time that a clear pattern had been identified in an FRB, giving scientists a unique opportunity to study the phenomenon further and potentially uncover its origin.

Methods of Detection

The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is an innovative radio telescope located in British Columbia, Canada. CHIME’s unique design allows it to scan a large portion of the sky simultaneously, making it an ideal tool for detecting FRBs. It was through CHIME that the 16-day cycle of FRB 180916.J0158+65 was discovered. The study of repeating FRBs is essential, as it enables astronomers to track their location and learn more about the environments in which they occur.

Possible Explanations for the 16-Day Cycle

There are several theories about the cause of the 16-day cycle observed in FRB 180916.J0158+65. Some scientists speculate that it could be due to the rotation of a celestial object, such as a highly magnetized neutron star. Another theory suggests that the cycle may be a result of a binary system where the FRB source is orbiting another celestial body, causing the signal to be visible only during specific intervals. Further observation and research are necessary to determine the true cause of the 16-day cycle.

Implications for the Search for Extraterrestrial Life

While the origin of FRBs is still unknown, the discovery of a repeating pattern in FRB 180916.J0158+65 has piqued the interest of those searching for extraterrestrial life. Some researchers have suggested that these signals could be evidence of advanced alien civilizations attempting to communicate with us or other intelligent life forms in the cosmos. While this theory is highly speculative, the consistent nature of the 16-day cycle adds an intriguing dimension to the ongoing search for life beyond our planet.


The discovery of a 16-day cycle in the mysterious FRB 180916.J0158+65 has opened new avenues of research in the field of astrophysics and the search for extraterrestrial life. As scientists continue to study these enigmatic signals, our understanding of the cosmos and our place within it will undoubtedly continue to evolve. Whether or not these signals ultimately prove to be evidence of alien life, they serve as a stark reminder of the vastness of the universe and the many mysteries it still holds.


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