Earth's oldest impact crater was just found in Australia—exactly where geologists hoped it would be
We have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia.
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New research shows most space rocks crashing into Earth come from a single source
Stony meteorites come in two types ... blocks of our solar system and are common on Earth, being present in basalt. "Carbonaceous chondrites" are a distinct group. They contain high amounts ...