These aquatic plants are also relatively easy to care for once you know the basics. Because they're low-maintenance and add interest to a plant collection, marimo moss balls were on-trend until ...

These “moss balls” are popular pets in Japan, where they are known as “marimo” (“seaweed balls”). Despite their popular English name, marimo is not a moss at all. Instead, it is a slow ...

KUSHIRO, Hokkaido—“Marimo” moss balls, the fuzzy green spheres that have brought fame to Lake Akanko here, are shrinking because of global warming, a research group found. The maximum ...