Exploration: File under beating a dead horse. Most of the exploration was a sidebar to the real Trek stories and sometimes even that was within a parable, so exploration was not the central theme. The movies explored little...Sulu was doing scientific tests on Excelsior (but that wouldn't have excited people as a story), Genesis was explored by Reliant and Grissom (again not the central story), even V'Ger--as alien as it was--went to Earth. Every Trek movie but ONE had scenes on Earth.
TMP: Threat to Earth from Massive Energy Cloud, no exploring - Scenes on Earth and in orbit
TWOK: Khan wants revenge, no exploring - Scenes on Earth and in Orbit
TSFS: Kirk goes to find Spocks body, no exploring - Scenes in Orbit of Earth
TVH: Threat to Earth from Whale Probe, no exploring - Most of movie on Earth
TFF: Terrorist attack on Nimbus 3, no exploring - Scenes on Earth and in Orbit
TUC: Federation/Klingon plot to start a war, no exploring - Scenes on Earth and in Orbit
GENS: Mad Man wants to get back to the Nexus, no exploring - Scenes in orbit of Earth (on Earth in Nexus)
FC: Threat to Earth from the Borg, no exploring - Scenes on Earth and in Orbit
INS: Mad Man wants fountain of youth, no exploring - NO EARTH, after 20 years of Trek movies.
NEM: Threat to Earth from Picards evil twin, no exploring - Wedding scene on Earth, Enterprise in drydock in Earth orbit
In TMP, the Enterprise
explored the surface and interior of V'Ger.
In TWOK, the Reliant
explored what they thought was Ceti Alpha Six.
In TSFS, the Grissom
explored the Genesis Planet.
In TFF, the Enterprise
explored the planet that Sybok believed to be Sha Ka Ree.
In TUC, the Excelsior
had just explored Beta Quadrant, cataloging gaseous planetary anomalies.
In INS, the duck blind was studying the Ba'ku, apparently as part of a mission to explore the Briar Patch, which covered their true purpose.
In NEM, Picard and company explored the surface of Kolarus III in a dune buggy.