Is Alien Ridley Scott’s Masterpiece?

When a Weyland/Yutani towing vessel receives an order to investigate a signal of unknown origin on a nearby planet, the crew of the Nostromo are wakened from hypersleep.  Touching down on the planet from which the signal appears to originate, a search party comes into contact with an alien lifeform, one of whom attaches itself

A List of successful science fiction films featuring amazing female leads.

I wanted to compile this list in response to an article I read in Women and Hollywood, regarding the troubles director Alfonso Cuaron (Children of Men) had, placing Sandra Bullock in the lead role of his new movie GRAVITY. When successful films that featured a female lead the list is pretty long, but why is