The productive power of poop

Referred to in polite company as a "marine subsidy," otter feces are a key fertilizer on small islands.

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The sound of icebergs melting: my journey into the Antarctic

Not long after Antarctica recorded some of its highest-ever temperatures, I joined a group of scientists studying how human activity is transforming the continent.


University of Michigan study finds importance of individual fish urine

A study led by the University of Michigan finds the "power of fish pee" and how individual fish are promoting healthy ecosystems.

We’ve been systematically underestimating sea otters’ historical habitat

Estuaries once harbored thousands of otters, and now conservationists want to extend recovery efforts to California's largest estuary: San Francisco Bay.

The macabre science of mass animal die-offs

Researchers are replicating “mass mortality events” with pig carcasses. The ecological consequences could hint at what's happening in Australia right now.

Mayfly numbers drop by half since 2012, threatening Midwestern food chain

Mayflies, which form swarms in the billions that are visible on weather radar, are in steep decline, mirroring the plight of insects worldwide.

Skinny whales

The mystery behind emaciated ‘zombie whales’ stranding on the West Coast in 2019 is still unsolved, and there are troubling signs for 2020.

Microplastics may be a macro problem for the US Great Plains, too, study finds

A new study has found microplastics in every freshwater body tested in Kansas.

Elizabeth Warren wants to be the oceans president

The candidate unveiled a plan for addressing climate change, pollution, and good jobs at sea.


Arctic Report Card 2019: extreme ice loss, dying species as global warming worsens

For indigenous communities on the Bering Sea, a way of life is at risk as climate change hits fish populations and ricochets through ecosystems.

The Sitka tribe's struggle to save Alaskan herring

Dwindling numbers of the fish have led indigenous people to sue the Alaskan government for failing to protect the fishery.

Plastic waste on polar bears’ menu a growing problem

Plastic waste makes up a quarter of the diet for polar bears, says Ivan Mizin, research director of Russian Arctic national park.

Beluga whales could carry a molecule preventing mercury poisoning

Could the belugas of Northern Quebec hold the key to preventing mercury intoxication in local Inuit communities?


How a small stretch of ocean stirred a conservation movement

Off the Georgia coast, a decades-old marine sanctuary has emerged as a template for protection in the U.S. and around the world.

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Fracking linked to rare birth defect in horses: Study

The implications for human health are "worrisome," say researchers.

Coronavirus, the environment, and you

How the spread of the deadly virus is impacted by climate change, the environment, and our lifestyles.

Reevaluating fish consumption advisories during the COVID-19 pandemic: Analysis

Our current crisis reaffirms the importance of weighing the health benefits of eating fish against chemical exposure risks.

PFAS-free firefighting foams: Are they safer?

A small-scale certification effort could offer a path forward.

Cutting edge of science

An exclusive look at important research just over the horizon that promises to impact our health and the environment

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