Sargassum plants are a nuisance on some beaches, but they are a shelter and a feast for a complex and amazing variety of marine life. A clump of sargassum weed the size of a soccer ball drifts ...

Research was a challenge, too—the lab’s air conditioning didn’t work and the microscopes would become full of mold. With no internet or phones onsite, “the only connection for us to the outer world ...

One type is microalgae, which can only be seen with a microscope. Macroalgae, on the other hand, is big enough to see with your eyes, and examples include the brown seaweeds called sargassum and kelp.

The Department of Environment has started preparing early measures to tackle the massive arrival of sargassum expected in Playa del Carmen in 2025, according to reports from the Oceanographic ...