Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years ...

Ancient ice records show Earth’s oceans cooled over millions of years despite stable greenhouse gases, highlighting the role of oceans.

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our ...

New Curtin University research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and paving the way for complex life to flourish. The key to unlocking ...

For decades, geologists labeled a billion-year stretch of Earth’s history—from 1.8 to 0.8 billion years ago—as the “Boring Billion.” They assumed not much occurred during the time: mountain building ...

About 700 million years ago, Earth froze over so completely that even tropical oceans turned to ice, an episode scientists ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT-led researchers uncovered rare potassium isotope anomalies in ancient rocks, revealing hidden remnants of proto-Earth. (CREDIT ...

Scientists have discovered “alien-like” water inside a 400-million-year-old plant, revealing unusual chemistry that could ...

Microbes that rank among the simplest and most ancient organisms on Earth could survive the extremely thin air of Mars, a new study finds. It's not a stretch to say the Copernican revolution ...

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — a roiling mixture of rock and metal condensing within the nascent solar ...