Dark Matter is a 2007 American drama film and the first feature film by opera director Chen Shi-zheng, starring Liu Ye, Aidan Quinn and Meryl Streep. Liu Ye plays a young scientist whose rising star must confront the dark forces of politics, ego, and cultural insensitivity. The film is loosely inspired by the true story of Gang Lu, a former graduate student who killed four faculty members and one student at the University of Iowa in 1991. However, the film’s story has substantial differences in plot and character motivation.

The film premiered at the 2007 Sundance Film Festival, where it won the Alfred P. Sloan Prize.