Plate tectonics loads a fault over centuries, but something else usually decides the moment it finally breaks. New research on California seismicity shows that groundwater cycles, stress from ...

It's nearly 170 million years old. It's more than 2.5 times the size of Earth. And it's the first exoplanet discovered and ...

Carleton Gajdusek won the Nobel for his work on a disease in Papua New Guinea. But his biggest experiment was on the children ...

For Mahmoud Khalil and his wife, Noor Abdalla, this was not a difficult decision. Khalil, who is thirty-one, spent his youth ...

Two ocean-chemistry signals (oxygen and carbon isotopes) tracked across 500 million years, with skull icons marking the 'Big ...

Imagine you wake up one morning and look out your window. You see a sky of red, hear a ferocious blast of wind and watch as tree branches creak and crack. No, the apocalypse has not descended on your ...

The 2026 total solar eclipse is finally upon us, marking the first total solar eclipse visible from parts of mainland Europe in almost three decades. Today, for a few brief moments, some one billion ...

From ancient greenhouse worlds to ice ages, Earth's past offers vital clues to its future. Explore the 40th anniversary ...

Scientists probing life’s deepest origins have uncovered evidence that the first free-living cells may have emerged not once, but twice. The findings suggest a striking possibility: life may share one ...

Salt marshes are coastal wetlands that are alternately inundated and exposed by tides. These marshes, like other coastal ecosystems, are hotspots of carbon cycling.