A strange brown presence has been spreading across the Atlantic for years — and scientists say it’s a warning sign

Diego Delgado,Greg Heilman — Sun, 28 Sep 2025 23:29:32 GMT

Fifteen years ago, what scientists are now calling the Great Atlantic Sargassum Belt was a rare sight, largely confined to the Sargasso Sea in the mid-Atlantic. Today, it has grown into a colossal oceanic phenomenon.

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Australia’s beaches are glowing electric blue—and science explains why

Roddy Cons — Fri, 05 Sep 2025 22:07:56 GMT

It isn’t unusual to see beaches lit up during an evening stroll on summer vacation, often from bars, restaurants, and other attractions along the promenade.

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A strange brown presence has been spreading across the Atlantic for years — and scientists say it’s a warning sign

Australia’s beaches are glowing electric blue—and science explains why