Oldest known asteroid impact on Earth dated to 3 billion years

The oldest known impact structure on Earth has been confirmed in outback Australia.

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This is a stored Optics snapshot.It preserves the source map and wording analysis from 6/23/2026, 11:40:26 PM.

30-SECOND READ

What happenedCurtin University researchers have determined the most precise age yet for the oldest known impact crater on Earth, providing new insight into how meteorite strikes shaped the planet during its earliest history.

What changedThe left frames it as "Earth’s oldest crater really is over 3 billion years old, new study confirms". The center frames it as "'Unequivocal evidence' of the age of Earth's oldest impact crater turns out to be off by...".

ConfidenceMedium. 3+ sources across at least two bias buckets with comparable news formats.

Archive healthLive match · 3 sources · 2 buckets · comparable news format

WORDING GAP

59WORDING GAP

3 sources · 2 bias buckets · Medium confidence

Still Watching. The left frames it as "Earth’s oldest crater really is over 3 billion years old, new study confirms". The center frames it as "'Unequivocal evidence' of the age of Earth's oldest impact crater turns out to be off by...".

SOURCE MAP TIMELINE

Jun 23, 10:00 PM: Live Science joined the source map.

Jun 23, 10:00 PM: Phys.org joined the source map.

Jun 23, 10:02 PM: The Conversation (AU) joined the source map.

Now: Wording Gap is 59/99 and story health is live match · 3 sources · 2 buckets · comparable news format.

ARCHIVED SOURCES

Center-left ·News report

The Conversation (AU)1h ago

Earth’s oldest crater really is over 3 billion years old, new study confirms

earthscraterreallyover

The oldest known impact structure on Earth has been confirmed in outback Australia.

Open source

Center ·News report

Phys.org30m ago