Geologists have long struggled to understand massive time gaps in Earth’s rock record, where millions—sometimes billions—of ...

First shipwrecks. Then oil rigs. Now, it’s offshore wind turbines that are becoming artificial reefs for creatures from ...

Once again, Mars has presented us with an example of something it seems to have in abundance: extremely peculiar and baffling ...

Before hominins intentionally chipped stone to make tools, they likely used sharp rocks already shaped by natural forces.