The students' biology learning results may vary among student, caused by several variables affecting the students' learning results, such as, learning style, critical thinking, metacognitive skills, learning models and some others. Many researches have investigated the correlation between critical thinking and students' learning results. However, a research investigating the correlation between critical thinking and learning results in Group Investigation (GI) learning has not been conducted. This research aims at investigating the correlation between the critical thinking and the learning results of senior high school students in Biology learning implementing the Group Investigation (GI) learning in Malang. This research was conducted in 2015 from July until December, using correlational design. The population of this research was all senior high school students in Malang. The subjects of this research were 32 students of class X MIA 2, and 33 students of class X MIA 4 of St Mary senior high school Malang. Data were analyzed using simple linear regression analysis. The results of this research showed that there was a correlation between students' critical thinking and their learning results with the regression equation of the correlation between the two variables Y = 0.988X + 0.095, having a reliability value of 73.9%.