Battlestar Galactica concept art by Ralph McQuarrie

The Empire Strikes Back concept art, by Ralph McQuarrie

Left: Battlestar Galactica’s Japanese theatrical poster. Right: the 1978 Ralph McQuarrie concept art the poster’s based on.

Study model for a possible USS Enterprise redesign — created by artists Ken Adam and Ralph McQuarrie for the abandoned film Star Trek: Planet of the Titans during the late 1970s. Created as one of a few different possible Enterprise designs for the eventually-scrapped film project, this model — now labeled “B-24-CLN” after it was reused in TNG’s “Unification I” in the Qualor II ship yard

Ralph McQuarrie

Bounty Hunters Concept Art by Ralph McQuarrie

Ralph McQuarrie concept art for the Star Wars poster

This originally took place on Had Abbadon (Coruscant) before it became Endor. In one early draft, Luke joins the Emperor after killing Darth Vader, but in a ruse, points the one Death Star at the other one, killing the Emperor. This image may depict that early plot point. 

Ralph McQuarrie concept art

Ralph McQuarrie’s Battlestar Galactica concept art for a Cylon Basestar, c. 1978

More Star Wars art by Ralph McQuarrie