From Aliens to District 9, these hard R-rated sci-fi classics blend brutal spectacle with sharp ideas and lasting impact.

Diego Pineda has been a devout storyteller his whole life. He has self-published a fantasy novel and a book of short stories, and is actively working on publishing his second novel. A lifelong fan of ...

There are quite a few brilliant R-rated hard sci-fi movies that stand out as exceptional works of cinema because they don't soften their worlds or their ideas. Those particularly fantastic watches use ...