The Trisolarans are an alien species from the fictional planet Trisolaris, featured in the science fiction novel series "The Three-Body Problem" by Liu Cixin. They inhabit a chaotic solar system with three suns, leading to extreme environmental conditions and unpredictable climate changes. This instability has shaped their society and technology, making them highly adaptive and resilient. Trisolarans possess advanced technology, including the ability to manipulate physics at a fundamental level. Their civilization is driven by the need for survival in their harsh environment, which influences their interactions with humanity. The story explores themes of communication, conflict, and the consequences of first contact between species.