Sargassum, the stinky brown-and-green seaweed piling up along Florida beaches, is getting worse thanks to warmer seas, ...

NOAA is monitoring and tracking sargassum. They provide online forecasts and near-real-time conditions. NOAA satellites ...

Volunteers from the private sector and members of the Navy are all pitching in to help keep the beaches along Isla Mujeres ...

The summer heat has been driving up temperatures here in South Florida, and many of you are turning to the beach to cool off.

A Coastal Carolina University (CCU) professor spoke with ABC 15 about some brown seaweed that can make it's way to the Grand ...

A woman sunbathes on a beach during the sargassum seaweed in Playa del Carmen, Mexico on June 3, 2025. REUTERS As part of the Mexican government’s response, officials planned to focus on ...

Sargassum seaweed has washed ashore beaches before, but something changed in the past two decades. Since 2011, large swathes of sargassum began migrating into the Caribbean Sea nearly every summer.

Record amounts of sargassum are floating in the Caribbean Sea and ending up on beaches from Puerto Rico to Guyana — but scientists aren't sure why there's so much of it in the first place.

The seaweed also releases smelly compounds into the air as it rots, Jen said. The smell stems from hydrogen sulfide, one of the main compounds in sargassum, which contributes to a rotten egg smell.

The sargassum swimming crab is a remarkable pelagic crustacean that thrives among the drifting mats of seaweed in the Atlantic Ocean, Caribbean Sea and Gulf of Mexico. Though primarily associated ...