NASA (National Aeronautics and Space Administration) has XML-related efforts at several Goddard Space Flight Center locations:
Goddard Space Flight Center:
Goddard Space Flight Center / Instrument Pioneers: The Instrument Remote Control (IRC) project is an ongoing effort led by the Advanced Architectures and Automation Branch. IRC supports NASA’s mission by defining an adaptive framework that provides robust interactive and distributed control and monitoring of remote instruments. More information: Goddard Space Flight Center website (new window).
Goddard Space Flight Center / FITS Support Office:
Goddard Space Flight Center / National Space Science Data Center: The National Space Science Data Center (NSSDC) archives and provides access to a wide variety of astrophysics, space physics, solar physics, lunar and planetary data from NASA space flight missions, in addition to selected other data and some models and software.
More on the general topic: Individual contributing organizations