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One person's trash is an octopus's home.
underwater

This Octopus Is Using a Beer Bottle as a Nursery

In the Florida Keys, a marine biologist discovered a bit of debris that had become a cephalopod dwelling.
Benji Jones April 1, 2025
An elkhorn coral shows signs of bleaching on the coral reef of Sand Key in the waters south of Key West.
underwater

Florida’s Iconic Corals Aren’t Having Babies Anymore

A recent baby bust has scientists alarmed—it's a bad sign for the future of a reef that's already struggling.
Benji Jones March 3, 2025
Preserved specimens of depressed river mussels (<em>Pseudanodonta complanata</em>), a species that has nearly disappeared from French waters.
science

Found in the Seine: DNA From a Nearly Extinct Mussel

Scientists taking samples from the Parisian river didn't expect to find traces of shellfish that had all but disappeared from France.
Kim Willsher February 10, 2025
A mother manatee and her baby swim through the water in Crystal River, Florida, where manatees can be found year-round.
science

Florida’s Manatees Are Relative Newcomers, According to Historical Research

These beloved sea cows were barely recorded in the area before the seas warmed in the late 1700s. Now their habitats are at risk.
Richard Luscombe January 6, 2025
Tidal flats in Denmark's Wadden Sea National Park show what the land on the edge of the North Sea looks like today.
maps

Exploring the Lost Land Beneath the North Sea

New research reveals that Doggerland—a sunken swath of Europe connecting Britain to the mainland—was more than a simple thoroughfare. It was home.
Tristan McConnell December 9, 2024
Trondheim, Norway

Dora I

At this concrete bunker on the Trondheim fjord, secrets lie above and below the water's surface.
Luganville, Vanuatu

SS President Coolidge

This cruise ship-turned-warship sank during World War II, and is now a world-renowned dive site.
Silver Islet, Ontario

Silver Islet Mine

The site of one of the most profitable silver mines in the world, reclaimed by Lake Superior.
Chloraka, Cyprus

Shipwreck MV Demetrios II

This abandoned ship has remained in place since it ran aground in 1998.
Dorset, England

Valentine Tank Wrecks

The site of a dress rehearsal for D-Day that ended in disaster.
Itinerary

9 Watery Wonders on Florida’s Gulf Coast

Between islands, caves, and springs, there are no shortage of wondrous ways to get wet along Florida’s Gulf Coast.
Lecanto, Florida

Mertailor's Mermaid Aquarium Encounter

What started as a tailor shop to help swimmers live their mermaid dreams has grown into a full-scale aquarium, complete with live mermaid shows.
art

Podcast: Underwater Sculpture Gardens

This sculptor's work is for people...and fish.
The Podcast Team May 15, 2024
Stockholm, Sweden

Shipwreck of Kastellholmen

At low tide, you can see the remains of a 17th-century ship just off a Stockholm island.
McMurdo Station, Antarctica

Observation Tube

A vertical tube that allows you to see what's going on underneath the Antarctic sea ice.
Playa Herradura, Costa Rica

Playa Blanca Underwater Museum

These submerged sculptures create a new habitat for marine life and exciting diving experience.
A bathymetric map shows the Solito Seamount off the coast of Chile. Scientists on a recent expedition found isolated seamounts like these to hold distinct ecosystems, including thriving deep-sea coral reefs and sponge gardens.
volcanoes

Every Time They're Found, Underwater Volcanoes Just Burst With Life

New discoveries off the Chilean coast include dozens of species new to science.
Robin George Andrews March 12, 2024
Zug, Switzerland

'Seesicht' ('Lake View')

Walk down these stairs to get an underwater view of Switzerland's Lake Zug.

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