Because yeah...that's what I want in my science fiction. REALISM. (Psst, you guys! Pretty sure super-duper-realistic science fiction is just called SCIENCE.) Anyway, here's the list!

Most Realistic Films

1. Gattaca (1997)

2. Contact (1997)

3. Metropolis (1927)

4. The Day the Earth Stood Still (1951)

5. Woman in the Moon (1929)

6. The Thing from Another World (1951)

7. Jurassic Park (1993)

The least realistic films after the jump...

Worst Sci-Fi Movies

1. 2012 (2009)

2. The Core (2003)

3. Armageddon (1998)

4. Volcano (1997)

5. Chain Reaction (1996)

6. The 6th Day (2000)

7. What the #$*! Do We Know? (2004)