The Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing (IAASARS) is one of the three institutes of the National Observatory of Athens, the oldest research institution in Greece. The main activities of the Institute involve basic and applied research in a number of topics in astrophysics, from distant galaxies to the solar neighborhood, as well as ground based and space-born remote sensing, earth observation and signal processing. The institute is also committed to outreach and science dissemination for the general public and operates a very popular visitor center in Penteli.