The exact age of Nuvvuagittuq's rocks is controversial: Some studies used zircons to find a minimum age of 3.8 billion years old, but a later study that looked at parts of Earth's primordial crust ...

For decades, the oldest rock in the United States was considered Morton Gneiss, although a new contender has recently been ...

Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...

When scientists talk about Earth’s history, they often mention huge numbers– billions of years, shifting continents, and ...

For more than a decade, geoscientists have debated whether the iron-rich Jack Hills of western Australia represent the oldest rocks on Earth. The new findings rely on atom-scale analyses of tiny ...

As their boots sank into the marshy tundra and mosquitoes buzzed in their ears, the scientists were driven by a singular mission: to collect the oldest rocks on Earth. Earth was formed over 4.5 ...

The oldest rocks on Earth are more than just ancient—they’re time machines! The oldest rocks on Earth are more than just ancient—they’re time machines, holding clues to Earth’s missing ...

These remnants provide a glimpse into Earth's infancy and help scientists trace our planet's development. Here are some of the oldest rocks ever discovered and the insights they provide about our ...