China's FAST telescope searched 33 planetary systems, and filtered 139,127 detections down to one candidate technosignature. Named NBS 260108, it's from the direction of K2-155, a red dwarf 238 light-years away with potentially habitable super-Earths. The signal's characteristics point more toward terrestrial/instrumental interference than an actual alien transmission. The findings have been published in The Astronomical Journal.
The candidate signal appears as a narrow drifting line in the beam pointed at K2-155, but not in the other 18 beams. (Li et al., The Astronomical Journal, 2026)
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