AAS Code of Ethics - Ethics code from the American Astronomical Society.
The Ethics of Astrobiology: Humanity’s Place in the Cosmos and the Extinction Problem - Article exploring the ethical implications around the Fermi paradox, the Rare Earth Hypothesis, and the cosmic bet argument.
If Humanity Is to Succeed in Space, Our Ethics Must Evolve - Article about the emerging field of space ethics and the growing interface between space exploration and private companies.