The most common and most likely answer to this crossword clue is the 12 letter word REDISCOVERED
I've seen this crossword clue in The Sunday Telegraph
R
E
D
I
S
C
O
V
E
R
E
D
More clues leading to the result REDISCOVERED
Buddy explains!
The straight part
We know that "found out about again?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case found out about again? = rediscovered.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REDISCOVERED mean?
REDISCOVERED verb- To discover again; especially something previously lost or forgotten.