Dam construction since 1835 has caused Earth's poles to "wander" away from the planet's rotational axis because of the ...

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

Researchers mapped a pulsing mantle plume under Afar that channels molten rock upward, stretching Africa’s crust until it ...

Earth is set to experience unusually short days in July and August 2025. The Moon's orbital position is subtly accelerating ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or ...

Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.

The Hadean Eon, Earth's first geological period, remains shrouded in mystery due to scarce rock records. However, Québec's ...

The Nuvvuagittuq Greenstone Belt in northern Quebec contains Earth's oldest-known rocks, aged 4.16 billion years. This ...

By confirming the age of these rocks, and that they might just be the oldest rocks on Earth, we’re finally opening the door ...