A fish tank can look perfect one week and completely different the next. The water is clear, the plants look healthy, and ...

Environmental nonprofit San Francisco Baykeeper is reporting that an algae bloom is happening across the San Francisco Bay, something they believe is unprecedented in the history of the bay.

PORT ST. LUCIE, Fla. — Officials in Port St. Lucie said Tuesday they are monitoring a fish kill at a stormwater management tract that has tested positive for blue-green algae. This is happening at the ...

While what is being called a massive harmful algal bloom stretching across San Francisco Bay appears to now be in decline as of Saturday, state and regional water resource officials say depleted ...

A rapacious, fish-killing algae linked to the recent loss of more than 1,000 fish in a Gilbert lake also has been found in Saguaro Lake. The fast-spreading species of golden algae could do extensive ...

PHOENIX — Golden algae toxin blooms are behind recent fish kills at Saguaro and Canyon lakes, the Arizona Game and Fish Department confirmed Friday. Golden algae, which can be harmful to ...

A hazardous algae advisory is in effect for both Lake Nokomis beaches after testing found elevated levels of a toxin ...

A potentially harmful bloom of blue-green algae at two popular Minneapolis beaches has prompted city officials to issue an ...

Floating macroalgal acts as a raft that provides habitat for a diverse array of juvenile oceanic fish a new study has found. The study conducted in the Ningaloo Coast World Heritage Area, Western ...

Could anglers dining on locally caught fish be ingesting more than they bargained for? Larry Brand, an expert on harmful algae blooms in Florida's waterways and their potential impact on human health, ...

This sprawling, jade-hued lake in eastern China is pleasant enough on a cool spring day. But when spring warms into sultry summer, Chaohu turns slimy and stinky as algae fed by sewage, farm and ...