A processing node found in the debris of a Thargoid ship. The exact function of these items is unknown, but they are thought to be integral to the flight and operational systems in all Thargoid vessels.
— In-game description
A Thargoid Heart is a component occasionally found among the wreckage of destroyed Thargoid Interceptors. The Heart is corrosive to ship modules, and can only be safely transported using a Corrosion Resistant Cargo Rack. It is considered an illegal salvage item in most systems.
Gallery
Thargoid Heart and Cobra ship
Thargoid Heart
Thargoid Interceptor heart