The Cardassians are a fictional alien species from the Star Trek universe. They are known for their distinctive facial features, including prominent ridges on their foreheads. Cardassians are often depicted as a militaristic and authoritarian society, with a strong emphasis on loyalty and discipline. In the Star Trek series, particularly in Star Trek: Deep Space Nine, Cardassians play a significant role as antagonists. Their history includes a brutal occupation of the Bajoran people, which has lasting effects on both cultures. The Cardassian government is characterized by its secretive nature and a complex relationship with other species in the galaxy.