Editor’s note: A monstrous arachnid managed to get past NASA KSC’s crack security and crawl all over the shuttle before someone finally shooed it away. It took several minutes before the situation was brought under control. The terrifying footage is below. CAUTION: not for people suffering from arachnophobia.

Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member...