1. Galaxies and Star Clusters
  2. Variable Stars & Exoplanets
  3. Black holes, White Dwarfs & Neutron Stars
  4. Planets, Ionospheres, and Magnetospheres
  5. Solar System
  6. Cosmology
  7. Celestial Mechanics
  8. Gravitational, Computational, Observational and Theoretical Astrophysics
  9. Solar and Stellar Physics
  10. Plasma Astrophysics
  11. Cosmic Rays and High Energy Astronomy
  12. Dark Matter and Dark Energy
  13. Interstellar matter
  14. Artificial Intelligence and Data Mining in Astronomy 
  15. Scientific Instruments to Astronomical Instruments: Tools & Techniques
  16. Astrostatistics
  17. Microgravity Science & Applications 
  18. Astrogeology
  19. Origin and Evolution of Life in Universe
  20. Space Life and Habitability
  21. Life Beyond Earth
  22. New Technologies for Life Detection
  23. Future of life
  24. Bioinformatics and Biomedical Engineering