Sentence examples for has never been found from inspiring English sources

The phrase "has never been found" is grammatically correct and can be used in written English.
It is typically used to express that something has not been discovered or located at any point in time up until the present moment. Example: Despite numerous attempts, the missing treasure has never been found. In this example, we use "has never been found" to indicate that the treasure has not been found at any point in time, from the past until now. It may imply that the search for the treasure is ongoing and it has not been found yet.