The article is from 2011, but it's somehow trending now and has been resubmitted a few times.<p>The origin of the mistake was found a few months later: <a href="https://en.wikipedia.org/wiki/Faster-than-light_neutrino_anomaly" rel="nofollow">https://en.wikipedia.org/wiki/Faster-than-light_neutrino_ano...</a><p>> <i>Later the team reported two flaws in their equipment set-up that had caused errors far outside their original confidence interval: a fiber optic cable attached improperly, which caused the apparently faster-than-light measurements, and a clock oscillator ticking too fast.</i><p>Obligatory xkcd: <a href="https://xkcd.com/955/" rel="nofollow">https://xkcd.com/955/</a>