Here are many of my favorites
On the lighter side:
Starship Troopers
Mars Attacks
Men In Black
Idiocracy
Back to the Future
Guardians of the Galaxy
Coneheads
Other more serious ones I like:
Knowing
Arrival
The Arrival
Close Excounters
Ad Astra
Upgrade
Ex Machina
Tron (both movies)
Independence Day
I Robot
The 6th Day
Minority Report
Total Recall
I Am Legend / The Omega Man
Oblivion
Edge of Tomorrow
The Island
In Time
Source Code
Looper
Replicas
Cowboys vs. Aliens
Alien vs. Predator
Starman
Sorry that my list exceeds 10 (I did leave several off that were already mentioned - The Matrix is my #1).