The New Jersey Institute of Technology (NJIT), recently release several detailed images of Sun spot cores. These are groundbreaking images that show inner structures of Sun Spots. This information could help scientist figure out how Sun spots form and might help to predict the occurrence of Sun spots. This is important because Sun spots are a major factor in the disruption of satellite communications and can even cause disruption to the electricity grid. As such, it would be useful to know when major Sun spots are about to erupt and their magnitudes. You can read more about this here and here.