A nutrient feedback between phosphorus, sulfur and microbes may explain how Earth repeatedly rebuilt its oxygen-rich ...

In a remote desert, scientists have discovered one of Earth’s oldest asteroid impacts. It dates to well over a billion years ago, to a time when our planet was inhabited solely by single-celled life.

Add Yahoo as a preferred source to see more of our stories on Google. Ancient glaciers reshaped Earth's surface and shifted ocean chemistry, fueling the rise of complex life, a new study found. Calved ...

Ancient ice cores from Tibet’s Guliya Plateau preserve a climate record stretching back 128,000 years, offering a rare ...

A drawing of an orange, cloud-covered planet against a black background During the Archean Eon, 4-2.5 billion years ago, Earth likely looked very different than it does today. Its hazy skies may have ...

Geologists studying some of the planet's oldest volcanic rocks have uncovered new evidence that water was playing a major role in shaping Earth's interior and driving volcanic activity more than 3 ...

A team of researchers has made strides in understanding the formation of massif-type anorthosites, enigmatic rocks that only formed during the middle part of Earth's history. These plagioclase-rich ...

Ancient bricks inscribed with the names of Mesopotamian kings have yielded important insights into a mysterious anomaly in Earth's magnetic field 3,000 years ago, according to a new study. Ancient ...

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our Fleeting Moment in Deep Time 6. Frequently Asked Questions What if we told you ...

The key to unlocking the secrets of distant planets starts right here on Earth. Researchers at Tohoku University, the University of Tokyo, and Hokkaido University have developed a model that considers ...

Plate tectonics has shaped the Earth’s surface for billions of years: Continents and oceanic crust have pushed and pulled on each other, continually rearranging the planet’s façade. As two massive ...