We are part of a research team that has confirmed the oldest known rocks on Earth are located in northern Québec. Dating back 4.3 billion years, these rocks provide a rare and invaluable glimpse ...

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.

Travel Journalist Qasa Alom visits Lake Bacalar in Mexico, famous for its brilliant seven shades of blue water. But that's ...

Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by 800 million years.

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in the Bushveld Igneous Complex (BIC) of South Africa, these microscopic ...

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

The oldest terrestrial materials ever dated by scientists are extremely rare zircon minerals that were discovered in western Australia. These zircons were formed as early as 4.4 billion years ago, and ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn in this story: What are now thought to be the oldest rocks on Earth have ...

Since their formation billions of years ago, the oldest parts of the Earth's continental rocks have generated natural ...