A new look at ancient rocks suggests that a self-sustaining nutrient cycle in ancient oceans helped keep Earth's atmosphere ...

Here’s what you’ll learn when you read this story: Scientists believe they’ve found evidence that life on Earth is over a billion years older than anyone believed was realistic. New research used ...

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

Earth's poles do not always stay in the same place. For example, a region once near the North Pole can end up near the equator, and an area near the equator can shift up toward the pole. This is known ...

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 ...

Earth's history reveals that the evolution of oxygen, nutrients, and life are interconnected, offering insights into potential biosignatures on other planets.

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...

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 ...

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 ...

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 ...

Researchers use AI and satellite images to detect traces of ancient forests in Chile’s Atacama Desert, revealing clues about ...