The phrase "astonishing developments" is correct and usable in written English.
You can use it to describe surprising or remarkable changes or events in various contexts, such as news articles, reports, or discussions about advancements.
Example: "The scientific community was taken aback by the astonishing developments in renewable energy technology this year."
Alternatives: "remarkable advancements" or "incredible progress".
Among the many astonishing developments that have arisen in the wake of Bear Stearns' final meltdown is the level of involvement of the Federal Reserve System.
Still, Mr. Gauck joins Angela Merkel, the German chancellor, in one of the most astonishing developments of all: only two decades after West Germany effectively swallowed the bankrupt East, two East Germans will be running the country.
The disclosure caps several days of astonishing developments at the listed cafe chain that have left its executive chairman, the entrepreneur and Sunday Times columnist Luke Johnson, fighting for his fortune and reputation.
We meet in historic times: Never before have the creative industries been so important to help take us through these difficult economic times And never before has the media been under such scrutiny because of the phone hacking scandal And all of this against the backdrop of astonishing developments in technology.
Unless there are responsible Republicans who will break ranks and join the Democrats in calling for an independent and bipartisan joint commission to investigate these astonishing developments in a fair and impartial way - with televised hearings - one of the greatest, perhaps the greatest, assaults on democracy in our 240-year history will go unpunished except for a few culprits like Flynn.
His artistic career at the time was developing in parallel to his astonishing development as a rock climber.
This is a truly astonishing development.
What are we to make of this astonishing development?
That's an astonishing development, considering Apple's traditional protectiveness of its software.
First: the astonishing development that saw breaking-the-fourth-wall itself broken.
We learn much about the (astonishing) development of social security under Weimar, about seething anti-Semitism and diplomatic blunders.
