Physics

"The American Association for the Advancement of Science is an international non-profit organization dedicated to advancing science for the benefit of all people."

"The American Astronomical Society (AAS) an organization of professional astronomers in North America. Its membership includes physicists, mathematicians, geologists, engineers, and others whose research and educational interests lie within the broad spectrum of subjects comprising contemporary astronomy."

"The American Institute of Aeronautics and Astronautics (AIAA) is the world's largest technical society dedicated to the global aerospace profession."

"AIP Member Societies cover a broad range of fields in the physical sciences and collectively represent more than 120,000 scientists, engineers, educators and students in the global physical sciences community. AIP offers authoritative information, services, and expertise in physics education and student programs, science communication, government relations, career services for science and engineering professionals, statistical research in physics employment and education, industrial outreach, and the history of physics and allied fields."

The Institute of Physics is a charitable organization with a worldwide membership of professional scientists. They promote physics education, research and application. On their website you will find publications, resources for students and teachers, and multimedia resources.

"Sigma Xi, The Scientific Research Society is the international honor society of science and engineering."

"The Society of Physics Students (SPS) is a professional association explicitly designed for students. Membership, through collegiate chapters, is open to anyone interested in physics. The only requirement for membership is that you be interested in physics. Besides physics majors, our members include majors in chemistry, computer science, engineering, geology, mathematics, medicine, and other fields."

"AAPT is a professional membership association of scientists dedicated to enhancing the understanding and appreciation of physics through teaching."

"AIP Member Societies cover a broad range of fields in the physical sciences and collectively represent more than 120,000 scientists, engineers, educators and students in the global physical sciences community. AIP offers authoritative information, services, and expertise in physics education and student programs, science communication, government relations, career services for science and engineering professionals, statistical research in physics employment and education, industrial outreach, and the history of physics and allied fields."

"Founded in 1980 by Carl Sagan, Bruce Murray, and Louis Friedman, to inspire and involve the world's public in space exploration through advocacy, projects, and education. The Planetary Society sponsors projects that will seed innovative space technologies, nurtures creative young minds, and is a vital advocate for our future in space." Membership is open to anyone interested in the Universe and Space Exploration."

"The AAVSO coordinates, evaluates, compiles, processes, publishes, and disseminates variable star observations to the astronomical community throughout the world. The AAVSO is an international non-profit organization of variable star observers whose mission is to enable anyone, anywhere, to participate in scientific discovery through variable star astronomy."