![NASA Planetary Engineering Concept Art, 1976](http://static.miraheze.org/terraformingwiki/thumb/a/a7/NASA_PLANETARY_ENGINEERING_CONCEPT_ART_1976.jpg/300px-NASA_PLANETARY_ENGINEERING_CONCEPT_ART_1976.jpg)
Planetary engineering involves harnessing technological advancements to actively shape and modify a planet's environment. This field explores various techniques, including terraforming, which aims to transform a planet's conditions to resemble Earth's habitable state.