Discovery can be considered as the intelligent agent's  either mental or mental and physical activity which provides a new knowledge or  information related to an existing domain.

Discovery can be planned or unexpected.

Mental discovery is a not conscious process.

In computer science, an example of discoveries are data/information/knowledge mining.

We may also speak about what is discovery from three basic perspectives:
- an external observer
- a cognitive subject
- social opinion.
...

Category: cognitive science, computational intelligence.

Searched the web for discovery, knowledge, cognition. 

                                                                 knowledge mining.