Scientists have solved a long-running mystery surrounding marimo, the fuzzy balls of green algae that Japan considers a national treasure. Though marimo are known for nestling adorably at the bottom ...

In the winter months, at the bottom of Lake Akan in Hokkaido, Japan, harmless underwater algae balls that can grow to be bigger than basketballs are protected from death by an ice shield on top of the ...

Marimo moss balls now are rolling into stylish vases and even into tiny orbs and bottles as jewelry. Consider marimo the moss in your underwater terrarium. Or the floating plant in your aquarium.

A group of Japanese researchers have discovered how to estimate the age of marimo. They also successfully illuminated a mechanism that is vital for the algae balls’ growth. These findings will be ...

OLYMPIA, Wash. – The Washington Department of Fish and Wildlife is asking anyone who has recently purchased Marimo moss balls to inspect their plants for the invasive zebra mussel. The U.S. Geological ...

Climate change could overexpose rare underwater "marimo" algae balls to sunlight, killing them off according to a new study at the University of Tokyo. Marimo are living fluffy balls of green algae.

Marimo are one of nature’s most alien spectacles. They are impossible-looking spheres made of algae, smoothed and toppled by currents in lakes, piling up on the floor like green puff balls. Marimo’s ...

SEATTLE — An invasive species of mussel capable of causing environmental and infrastructure damage were found in a product at a Seattle pet store. At least a dozen zebra mussels were discovered in ...

An invasive species of mollusk that is known to disrupt food chains and drinking water systems has been discovered in the U.S. attached to an aquarium moss plant, with pet stores and consumers urged ...

Climate change could overexpose rare underwater 'marimo' algae balls to sunlight, killing them off according to a new study. Marimo are living fluffy balls of green algae. The world's largest marimo ...