Slideshow · Science
25 Mysterious Deep-Space Radio Signals That Puzzled Astronomers, Ranked
From millisecond fast radio bursts to periodic galactic beacons, radio telescopes have captured perplexing cosmic signals that challenged our understanding of the universe.
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⏱10 Min Read◫26 Slides
Mysterious Deep-Space Signals That Left Astronomers Stunned 
25. The Boresight Burst FRB 010125 
24. The Terrestrial Perytons Mystery 
23. LGM-1 Pulsar PSR B1919+21 - AdvertisementSwipe or tap ▶ to continue countdown
22. The Galactic Center Ghost Signal 
21. The Burper Transient GCRT J1745 
20. The 18-Minute Behemoth GLEAM-X 
19. The 22-Minute Cosmic Ticker GPM J1839 - AdvertisementSwipe or tap ▶ to continue countdown
18. The 16-Day Clockwork FRB 180916 
17. The Dense Plasma Repeater FRB 190520 
16. Milky Way Magnetar FRB SGR 1935+2154 
15. The Pioneer Repeater FRB 121102 - AdvertisementSwipe or tap ▶ to continue countdown
14. The Double Pulsar Binary PSR J0737 
13. Cygnus A Galactic Radio Jet 
12. Centaurus A Giant Radio Lobes 
11. Sagittarius A* Galactic Center Radio - AdvertisementSwipe or tap ▶ to continue countdown
10. The Zombie Pulsar PSR B1257+12 
9. The Lorimer Burst FRB 010724 
8. The 3-Second Heartbeat FRB 20191221A 
7. The Ancient 8-Billion-Year FRB 20220610A - AdvertisementSwipe or tap ▶ to continue countdown
6. The Sub-Millisecond Spinner PSR J1748 
5. The Vela Pulsar Radio Rhythm 
4. The Crab Nebula Giant Pulses 
3. Proxima Centauri Candidate BLC1 - AdvertisementSwipe or tap ▶ to continue countdown
2. The Primordial Cosmic Microwave Background 
1. The 1977 Wow Signal - Advertisement🔥 UP NEXT IN THIS SERIES◫ 16 Slides
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From millisecond fast radio bursts to periodic galactic beacons, radio telescopes have captured perplexing cosmic signals that challenged our understanding of the universe.
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©NRAO / Very Large Array
