The most common and most likely answer to this crossword clue is the 8 letter word GAZETTES
I've seen this crossword clue in The Daily Telegraph
G
A
Z
E
T
T
E
S
More clues leading to the result GAZETTES
Buddy explains!

The straight part
We know that "magazines" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case magazines = gazettes.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 GAZETTES mean?
GAZETTES noun- A newspaper; a printed sheet published periodically; especially, the official journal published by the British government, containing legal and state notices.