Share
1 of 3
CERN's Alpha Magnetic Spectrometer rides atop the International Space Station to detect signs of mysterious dark matter. NASA
The AMS was delivered to the International Space Station in May 2011 by the Space Shuttle Endeavour. NASA
Scientists at CERN's AMS control center in France monitor the path of the ISS and adjust the spectrometer experiment to changing space conditions. Ben Brumfield/CNN
