Crossword Clue:

to be discovered or revealed

Answer	Crossword Clue
SECRETS	Things not to be revealed.
SPOILERALERTS	Warnings that key things are about to be revealed
MRBIG	"Sex and the City" character whose first name was revealed to be John in the final episode

BELOWTHERADAR	Not to be discovered
ORE	Gold waiting to be discovered
MIRA	First variable star to be discovered
ARGON	First noble gas to be discovered
EROS	First near-Earth asteroid to be discovered