More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...

From batch sales of unopened rocks on eBay to discrete phone calls to higher-dollar patrons, Illinois’ commercial fossil ...

Deep beneath Earth’s surface, researchers have discovered an ancient seafloor buried for millions of years. This unexpected ...

Since physical and chemical erosion yield comparable carbon fluxes, studying both together is essential to avoid biases in erosion-driven carbon flux estimates.

Imagine a heavy book resting on a table. If you try to gently push the book across the table with the tip of your finger, it ...