Across
2 Across Optical instruments from scrambled comic spores (11) → MICROSCOPES Anagram
Anagram of “comic spores”.
8 Across Church law hidden in Vatican online (5) → CANON Hidden word
Hidden inside “Vatican online”.
9 Across Unprocessed information from an award at scrambled event (3,4) → RAW DATA Anagram
Anagram of “award at”.
10 Across Rosa held inside photo, dull and unimaginative (7) → PROSAIC Container
ROSA inside PIC.
12 Across Jewish clergyman from IB and bar reversed (5) → RABBI Reversal
IB BAR reversed.
14 Across Chaotically bring cubs for hard brushing (9) → SCRUBBING Anagram
Anagram of “bring cubs”.
16 Across Sudden dive as leaders of swift winds often overturn planes (5) → SWOOP Initialism
First letters of: swift, winds, often, overturn, planes.
18 Across Washing from a scrambled Ray Lund (7) → LAUNDRY Anagram
Anagram of “ray lund”.
21 Across Take in a firm's brief downer (7) → INCLUDE Charade
INC + LUDE.
23 Across Slender isthmuses, or kisses passionately (5) → NECKS Double definition
Two separate definitions of the same word.
24 Across A gallon, a pound, a climbing frame belong to an organ that stores bile (11) → GALLBLADDER Charade
GAL + LB + LADDER.
Down
1 Down A summary comes from the core of cards, green, ticks, grand, upper (5) → RECAP Middle letters
Middle letters of: cards, green, ticks, grand, upper.
2 Down Extreme result of doom scrambled with north (5) → MONDO Anagram
Anagram of “doom n”.
3 Down Innocent aurora hides a mythical horse-man (7) → CENTAUR Hidden word
Hidden inside “innocent aurora”.
4 Down Zero before argon, a rowing blade (3) → OAR Charade
O + AR.
5 Down Bully briefly, then hesitate, to shrink in fear (5) → COWER Charade
COW + ER.
6 Down Austria and Bolivia's codes held by a peg, a boggy area (4,3) → PEAT BOG Container
ATBO inside PEG.
7 Down A thin sliver from having south, mixed up (7) → SHAVING Anagram
Anagram of “HAVINGS”.
11 Down Leaders of cats always bring added laughter to a secret group (5) → CABAL Initialism
First letters of: cats, always, bring, added, laughter.
13 Down A wan sigh, rearranged, for soapy work (7) → WASHING Anagram
Anagram of “wan sigh”.
14 Down Time joins a social event, mixed up, unflinching under hardship (7) → STOICAL Anagram
Anagram of “social t”.
15 Down Ruined plans reshaped, plus north, interred (7) → INURNED Anagram
Anagram of “ruined n”.
17 Down Fruit, then a soft pencil grade, exactly vertical (5) → PLUMB Charade
PLUM + B.
19 Down Furnishing style from a doctor embracing eco values (5) → DECOR Container
ECO inside DR.
20 Down Positive responses found in eyes' essence (5) → YESES Hidden word
Hidden inside “eyes essence”.
22 Down Energy from the sun god, a historical period (3) → ERA Charade
E + RA.
