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The health of corals on the Great Barrier Reef is routinely being threatened by hot water temperatures. The Australian government is investigating a range of techniques to try to protect the corals and stave off warming.

Could Flushing Cold Water Over the Great Barrier Reef Save Corals?

Lack of action on climate change is forcing scientists to devise ever more elaborate ways to stave off damage

Researchers in France are testing which fish eggs are best suited to being launched to the moon. So far, European seabass are among the leaders.

Could Astronauts Rear Fish on the Moon?

Researchers in France aim to boldly farm fish where no one has farmed fish before

In Singapore, a city-state notoriously tight on space, Apollo Aquaculture Group is building an eight-story indoor aquaculture facility.

An Eight-Story Fish Farm Will Bring Locally Produced Food to Singapore

The massive indoor aquaculture facility is an effort to boost food security for the small island city-state

Archaeologists exploring the submerged landscapes of Australia, often called sea country, recently found ancient sites underwater.

The Search for Aboriginal History Off the Coast of Australia

Archaeologists exploring the waters near Western Australia's Murujuga are finding ancient sites a short dive below the sea's surface

An Argo float, seen in the foreground, is a battery-powered device that automatically measures and transmits information about the environment.

How the Pandemic Is Undermining Weather Monitoring

Scientists are scrambling to patch the cracks forming in the global marine weather monitoring system

Lightning strikes over the Atlantic Ocean off the coast of Florida.

Why Are Lightning 'Superbolts' More Common Over the Ocean?

Salt seems to be the reason why bolts are brighter over seas than over land

Researchers are hoping to track the conditions lobsters experience as they travel through the supply chain with an eye to reducing the number that die along the way.

A New Device Tracks Lobsters as They Move Through the Supply Chain

Researchers hope the technology can be used to reduce the number of the crustaceans that die along the way

From 1897 to 1906, a team led by biologist J. D. F. Gilchrist surveyed the fish of the Agulhas Bank off South Africa.

Scientists Recreate 1890s Fishing Surveys to Show How the Sea Has Changed

By retracing the steps of scientists working at the turn of the last century, modern researchers document how fish communities have been altered

Many types of mosses live in British Columbia.

Will the Slender-Yoke Moss Be Saved?

In the crush of conservation priorities, scientists grapple with how to help an endangered species with no obvious value

Daphne, an autonomous solar-powered vessel developed by British Columbia–based Open Ocean Robotics, is part of a wave of new ocean robots designed to police illegal fishing.

A New Generation of Autonomous Vessels Is Looking to Catch Illegal Fishers

A design challenge has tech companies racing to build a robot that can police illegal fishing in marine protected areas

The Norwegian Joy is one of several cruise ships equipped with air lubrication technology.

Tiny Bubbles Under a Ship May Be the Secret to Reducing Fuel Consumption

A technology called air lubrication offers a way to make large ships more efficient

More ships are cruising through Arctic waters but when disaster strikes, there is little information on how it might affect the environment, and little preparation for quick action.

The Race to Study Arctic Waters

In the far north, researchers are scrambling to record baseline environmental data as communities brace for future shipping disasters

Damselfish typically live in the nooks and crannies of coral reefs. But do you have anything with more of an open concept?

If a Fish Could Build Its Own Home, What Would It Look Like?

By exposing fish to experimental constructions, scientists hope to find out if replicating coral reefs is really the way to go

A woman with anorexia gets ready to weigh herself.

How Patients With Eating Disorders Have Been Affected by the Pandemic

A recent study suggests that worries related to Covid-19 may exacerbate conditions including anorexia and binge eating

An aerial view of the northwestern corner of St. Matthew Island. The small grouping of uninhabited islands is over 300 kilometers across the Bering Sea from the mainland, making it the most remote location in Alaska.

The Alaskan Island That Humans Can’t Conquer

Faraway St. Matthew Island has had its share of visitors, but none can remain for long on its shores

Historical pressings of seaweeds, such as this kelp, have proved to be a scientific boon for researchers.

Scientists Use Century-Old Seaweed to Solve a Marine Mystery

A treasure trove of data trapped in pressed seaweed helps explain the collapse of Monterey Bay's sardine fishery in the 1950s

The island of Smøla, Norway, is thought by many to be ultima Thule, first described by the Greek explorer Pytheas.

This Norwegian Island Claims to Be the Fabled Land of Thule

Residents of Smøla believe they live in the northernmost location mentioned in ancient Greek and Roman literature. Other contenders say not so fast.

Viruses, notably influenza A and Morbillivirus, cause mass die-offs with striking head counts.

Mass Die-Offs of Marine Mammals Are on the Rise

Viral and bacteria outbreaks are increasingly causing fatalities in a variety of species, including seals and dolphins

Nobody knows when Fungie, a solitary cetacean, arrived in the waters off Dingle, a town on the southwest coast of Ireland.

A Dolphin Has Been Living Solo in This Irish Harbor for Decades

Named Fungie, the cetacean draws thousands of tourists to Dingle—and may teach us how to protect other solitary-sociable animals in the wild

As erosion reshapes England’s Jurassic Coast, ancient fossils are revealed.

Why the Jurassic Coast Is One of the Best Fossil-Collecting Sites on Earth

Along a famed stretch of English coastline, amateurs and professionals collect 200-million-year-old treasures before they are reclaimed by the waves

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