Sure, here are 10 of the best science fiction movies of the 21st century, in no particular order:

1. **Interstellar** (2014)
2. **Ex Machina** (2015)
3. **Arrival** (2016)
4. **The Martian** (2015)
5. **Her** (2013)
6. **Moon** (2009)
7. **Children of Men** (2006)
8. **Solaris** (2002)
9. **Primer** (2004)
10. **District 9** (2009)

These movies are all critically acclaimed and have been praised for their innovative storytelling, stunning visuals, and thought-provoking themes. They offer a glimpse into the future of science and technology, and explore some of the most important questions of our time.

I hope you enjoy watching these movies!
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