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A group of chinstrap penguins on pack ice on Seal Island in Antarctica.

Arctic sea ice hits summer minimum; Antarctic hovers at new winter lows

Elizabeth Devitt 24 Sep 2024
Marcel König and Natascha Oppelt (both from the University of Kiel, Germany) measuring melt pond optical properties during RV Polarstern campaign PASCAL, north of Svalbard in June 2017.

Arctic melt ponds influence sea ice extent each summer — but how much?

Michael C. Bradbury 20 Aug 2024
An ice shelf and the sea in Greenland.

High-resolution maps reveal surprises about how ice shelves melt

Abhishyant Kidangoor 7 Aug 2024

Indigenous Alaskans drive research in a melting arctic

Gabe Allen 4 Jun 2024
A multilayered lenticular cloud hovers near Mount Discovery, a volcano about 70 km (44 mi) southwest of McMurdo Station in Antarctica.

Polar warning: Warming temperatures mean more than melted ice

Elizabeth Devitt 27 May 2024
A lemon shark in the mangroves in the Bahamas.

Ocean heating breaks record, again, with disastrous outcomes for the planet

Elizabeth Claire Alberts 30 Jan 2024
A trawler Naoned in the European part of North Atlantic Ocean.

Record North Atlantic heat sees phytoplankton decline, fish shift to Arctic

Juliette Portala 12 Oct 2023

As oceans warm, marine heat waves push deep beneath the surface, study shows

Elizabeth Claire Alberts 11 Oct 2023
Arctic sea ice.

Sensing tech used in oil pipelines can also track Arctic sea ice, study shows

Abhishyant Kidangoor 11 Sep 2023
A penguin.

Antarctic warming alters atmosphere, ice shelves, ocean & animals

Juliette Portala 12 Jun 2023
A polar bear surveys its icy Arctic surroundings.

Southern atmospheric rivers drive irreversible melting of Arctic sea ice: Study

Alec Luhn 23 Mar 2023
An iceberg floats in Disko Bay, near Ilulissat, Greenland, on July 24, 2015. The massive Greenland ice sheet is shedding about 300 gigatons of ice a year into the ocean, making it the single largest source of sea level rise from melting ice. Image by NASA/Saskia Madlener via Flickr (CC BY-NC-ND 2.0).

Greenland’s Indigenous population favors extracting sand from melting ice sheet

Moira Donovan 27 Sep 2022

2022: Another consequential year for the melting Arctic

Sharon Guynup 23 Sep 2022

Multiyear ice thinner than thought as Arctic sea ice reaches winter max: Studies

Alec Luhn 22 Mar 2022

As climate change melts Antarctic ice, gentoo penguins venture further south

Elizabeth Claire Alberts 21 Jan 2022

Researchers express alarm as Arctic multiyear sea ice hits record low

Gloria Dickie 17 Sep 2021

As Arctic warms, scientists wrestle with its climate ‘tipping point’

Conrad Fox 15 Jul 2021

As Arctic melt sets early July record, hard times lie ahead for ice: Studies

Gloria Dickie 8 Jul 2021

Arctic biodiversity at risk as world overshoots climate planetary boundary

Gloria Dickie 29 Apr 2021

As Arctic sea ice hits annual maximum, concern grows over polar ice loss: Studies

Gloria Dickie 16 Mar 2021

Frustration as Antarctic conservation summit fails to declare marine sanctuaries

Elizabeth Claire Alberts 6 Nov 2020

Antarctic Ice Sheet is primed to pass irreversible climate thresholds: Researchers

Gloria Dickie 28 Oct 2020

Brave New Arctic: Sea ice has yet to form off of Siberia, worrying scientists

Sharon Guynup 26 Oct 2020

‘No other choice’: Groups push to protect vast swaths of Antarctic seas

Elizabeth Claire Alberts 19 Oct 2020

Arctic Sea ice melts to second-place finish at annual minimum

Gloria Dickie 21 Sep 2020

Siberian heat drives Arctic ice extent to record low for early July

Gloria Dickie 10 Jul 2020

Climate conundrum: Could COVID-19 be linked to early Arctic ice melt?

Gloria Dickie 8 Jun 2020

Camera traps and customary wisdom help redefine bear conservation

Courtney Miceli 31 Jan 2019

Warmer waters shrink krill habitat around Antarctica

Mongabay.com 30 Jan 2019
The Great Barrier Reef in Australia. Image by Christopher Brunner/ARC Centre of Excellence for Coral Reef Studies via Flickr (CC BY-ND 2.0).

2018’s top 10 ocean news stories (commentary)

Douglas McCauley, Francis Joyce 24 Dec 2018

Species evolve more than twice as fast at poles as in tropics: study

Gloria Dickie 12 Jul 2018

From cryosphere to blogosphere, sea ice enthusiasts track Arctic melt

Gloria Dickie 26 Jun 2017

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