Giant agates found in an island on Panama’s Pacific coast prompted a study on how the Isthmus evolved and became a bridge between two continents Vanessa Crooks Sea conditions in the Pearl Islands can ...

Known for their colors and patterns, collectors are often amazed at agates that turn up on Upper Peninsula lakeshores, with some known to be up to 20 pounds, according to the Michigan Department of ...

(KRON) — California State Parks, which manages more than 340 miles of California’s coastline, is asking the public not to collect any sea glass, agates or other rocks found at state beaches. Although ...