Beaches across the Caribbean, the Gulf of Mexico, and the Atlantic coast of Florida are disappearing under thick, rotting ...

Massive seaweed blooms are increasingly washing onto famous tropical shorelines, turning some of the world’s most beautiful beaches into slippery, crowded tide lines—especially during warmer months.

Record levels of seaweed in the Atlantic are piling up in the Caribbean, just in time for spring break. This year is expected ...

It smells like rotten eggs, releases toxic gases, endangers sea life and scuttles vacations. Scientists, startups and ...

A strange brown ribbon stretching from the coast of Africa to North America has scientists and other experts worried about the planet's future. Here's why.

Smelly, brown seaweed washing up on Florida shores is snaring baby sea turtles on their way to the ocean, researchers warned this week, leaving them vulnerable to predators and putting them at risk of ...

A leatherback sea turtle hatchling climbs over sargassum on a beach. In a new study, researchers timed sea turtles to see how long it took them to reach the ocean when they had to traverse piles of ...

On a rainy September morning, on the outskirts of Glasgow, Scotland, a handful of engineers are standing around a plastic swimming pool. Sitting along the water's surface are little rubber duckies, ...