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Axing protection for undersea monuments could spell disaster
The Trump administration is considering rolling back federal protections for a number of national monuments, a move many marine experts disagree with. While most monuments are on land and relatively...
View ArticleFluorescent dye finds ‘lost’ ocean microplastics
The smallest microplastics in the oceans— many as small as 20 micrometers or the width of a human hair—go largely undetected. A new inexpensive method that uses a fluorescent dye could offer a way to...
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Ocean’s deepest fish thrives 26,000 feet below surface
The ocean’s deepest fish doesn’t look like it could survive in harsh conditions thousands of feet below the surface. Instead of giant teeth and a menacing frame, the fishes that roam in the deepest...
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How 1 key nutrient limited life in ancient oceans
Low recycling of the key nutrient phosphorus may have limited the amount of biomass—life—in Earth’s ancient oceans, new research suggests. The research also comments on the role of volcanism in...
View ArticleHow the venomous lionfish invaded the Atlantic Ocean
While researchers initially estimated 9 or 10 lionfish began the species invasion of the Atlantic Ocean, a new study suggests that number was closer to 180. For more than a decade, lionfish have...
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Hurricanes ‘sandblasted’ these Caribbean coral reefs
Coral reefs off St. John, part of the US Virgin Islands, suffered severe injury during hurricanes Maria and Irma, say scientists who traveled there in late November to assess the damage—the first step...
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‘Pillows’ reveal when oceans got spurt of oxygen
The transition to a world with an oxygenated deep ocean occurred between 540 and 420 million years ago, new research suggests. Researchers attribute the change to an increase in atmospheric O2 to...
View ArticleMost ancient methane doesn’t escape Arctic Ocean depths
New research pinpoints a source of methane in the Arctic Ocean—and finds that ancient methane trapped deep below the surface isn’t escaping into the atmosphere. “…we found that this ancient methane...
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Ocean ‘bathtub drains’ pull flotsam together
Marine debris, or flotsam, clumps together as it moves on the surface of the ocean, new research featuring the largest flotilla of sensors ever deployed in a single area suggests. Researchers placed...
View ArticleDirt from ocean floor could boost quake prediction
Ocean floor sediment could offer a way to better predict future undersea earthquakes, new research suggests. Geologist Michael Strasser, who until 2015 was an assistant professor for sediment dynamics...
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Watch: Plastic trash makes diseases worse for corals
Plastic trash—widespread throughout the world’s oceans—intensifies disease for coral and so puts reefs in peril, a new study suggests. “Plastic debris acts like a marine motor home for microbes,” says...
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2017 was ‘just an average year’ for shark attacks
With 88 reported unprovoked shark attacks and five fatalities worldwide, 2017 was “just an average year,” according to the University of Florida International Shark Attack File. While the number of...
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Here’s where narwhals like to hang out
Narwhals prefer to congregate near unique glacier fjords with thick ice fronts and low to moderate calving activity, where icebergs break off infrequently, new research suggests. “Arctic marine mammals...
View ArticleWhy some fish leave their embryos in a really hot spot
Certain deep-sea fish seem to use volcanic heat from hydrothermal vents to accelerate the development of their embryos. This behavior hasn’t been seen before in marine animals. The fish, deep-sea...
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These cyanobacteria change color to match ocean light
A species of cyanobacteria has the chameleon-like power to match different colored light across the world’s seas, research shows. The researchers have shown that Synechococcus cyanobacteria—which use...
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Ocean around Galápagos Islands has been warming for decades
The ocean around the Galápagos Islands has been warming since the 1970s, according to new research. The finding surprised the research team, because the sparse instrumental records for sea surface...
View ArticleSee an almost real-time map of global fishing
Using satellite tracking, machine learning, and common ship-tracking technology, researchers have directly quantified industrial fishing’s global footprint. “…until now we didn’t really know where...
View ArticleMost ancient methane doesn’t escape Arctic Ocean depths
New research pinpoints a source of methane in the Arctic Ocean—and finds that ancient methane trapped deep below the surface isn’t escaping into the atmosphere. “…we found that this ancient methane...
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Ocean ‘bathtub drains’ pull flotsam together
Marine debris, or flotsam, clumps together as it moves on the surface of the ocean, new research featuring the largest flotilla of sensors ever deployed in a single area suggests. Researchers placed...
View ArticleDirt from ocean floor could boost quake prediction
Ocean floor sediment could offer a way to better predict future undersea earthquakes, new research suggests. Geologist Michael Strasser, who until 2015 was an assistant professor for sediment dynamics...
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