The most common and most likely answer to this crossword clue is the 8 letter word HEADLINE
H
E
A
D
L
I
N
E
More clues leading to the result HEADLINE
- Row after boss gets a title
- Policy by principal is newspaper feature
- Publicity line penned by poet? It’s prominent in paper
- Source arranged drugs for part of newspaper article
- Feature of a newspaper chief with column
- News item resulting in furrowed brow?
- Description of fringe part of newspaper!
- ‘Male Lead in Flop’ — big news
- A banner‘s principal business?
- Chief's ancestry secures title
Buddy explains!

The straight part
We know that "big news" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case big news = headline.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 HEADLINE mean?
HEADLINE noun- The heading or title of a magazine or newspaper article.
- The line at the top of a page containing the folio or number of the page.
- (entertainment) The top-billed attraction.
- A headrope.
- (entertainment) To have top billing; to be the main attraction.