The discovery of an ancient meteorite impact crater was recently reported in Western Australia. But not everyone is convinced ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...

Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by ...

A Fragment of Earth’s Original Crust Still Exists—and It’s Buried in Canada Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried.

In a controversial 2008 study, O’Neil and his research team claimed that they had discovered a part of the original crust in northeast Canada’s remote Nuvvuagittuq Greenstone Belt.

Our planet has been asteroid-smashed, melted and eroded so much that most of its original armor has been long buried. Except for one small chunk.

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

Every breath we take in contains 21% oxygen, the gas that makes life on Earth possible. Oxygen, in its combined oxide state, has always been abundant in Earth's crust, but elemental diatomic ...

It should also be physically possible for such debris to reach the Earth from Mercury, another nearby rocky body ...

New research suggests that the geological site harbors the oldest known surviving fragments of Earth’s crust, dating back to 4.16 billion years ago.