NASA Goddard Space Flight Center lossless but substantiallv cornmessed. or there could be some ABSTRACT The NASA Offices of Space Science and Applications, and Aeronautics and Space Technology support a variety of research tasks in data fusion and data compression of benefit to the conduct of space and Earth science. This paper presents an overview of selected research tasks representative of work being conducted in universities, industry and at NASA centers under NASA sponsorship. In addition, a summary is given of the papers presented at the Space and Earth Science Data Compression