Scientists set to explore 100,000 year-old ocean under Antarctic ice

The 45-member team hopes to find clues of evolution and mobility of marine life

As Antarctic sea ice continues its dramatic decline, we need more measurements and much better models to predict its future

Some scientists have suggested this year could mark a regime shift for Antarctic sea ice

Change status of emperor penguins to ‘vulnerable’: Study

The iconic Antarctic bird needs more protection if it is to survive the rapid melting of sea ice due to global warming, it says

Iceberg twice the area of New York City to break off Antarctica

The break could happen anytime this year or early next year, say experts

‘Modest’ 2023 Antarctic ozone hole ranks 12th overall but still sign of recovery

The depletion would have been lower had it not been for the eruption of the Hunga Tonga-Hunga Ha’apai volcano in January 2022

Sea butterflies are threatened by climate change. Here’s how this can impact Antarctic marine ecosystems

Ocean acidification more dangerous for shelled, smaller sea butterflies but can impact entire ocean foodweb  

Polar Ebb & Stockholm+50: We need urgent agreement to protect Antarctica, the Arctic

Countries should draft an Arctic Treaty System in line with its Antarctic counterpart

Greenland's Ice Sheet has 60 subglacial lakes underneath, say scientists

The new 56 lakes are important targets for studying evidence of extreme life

60 days in Iceberg Alley, drilling for marine sediment to decipher Earth’s climate 3 million years ago

Sediment layers are like a library of the Antarctic’s past environment

Antarctic ozone hole — one of the largest, deepest — closes

The annually occurring ozone hole over the Antarctic had rapidly grown from mid-August 2020 and peaked at around 24 mln sq km  

Antarctic ice melting at a rate that led to the end of last ice age: Study

Researchers found that between 2010 and 2016 the base of ice near the floor of the ocean has shrunk by 1,463 sq km, roughly the size of Delhi

Understanding climate change

Did climate change begin with industrialisation? How do we identify ‘bad’ climate change?

Antarctica’s sea ice is at its lowest extent ever recorded

High temperatures and warm air from north may be responsible: Experts

New robotic study finds dense ice under Antarctic

First survey to drill into underwater ice as deep as 20 metre

The Antarctic Treaty is turning 60. In a changed world, is it still fit for purpose?

As disputes have arisen over years, many have been addressed through expansion of treaty framework. This framework is now referred to as the …

Abiding beauty

Antarctica is one of the few places on earth that have never seen war, where the environment is protected and where the priority is scientific …

Sea ice on both poles at record low, finds WMO report

Antarctic sea ice cover at record low for 2nd consecutive year; Arctic sea ice extent is also at an all-time minimum 

Arctic Sea ice saw largest decline in 41 years in July 2019: NCPOR

Loss of ice cover in the Arctic Sea has had strong effects on components of climate system, such as reduction of heat and momentum, water vapour &…

Antarctic ozone hole now larger, thinner & may take longer to recover. Mesosphere has a role to play: Study

Meteorological conditions could have largely driven fluctuations in the size of the Antarctic ozone hole

Casting the net wider

Why did Antarctic Larsen C ice shelf break in 2017? NASA has an answer

Melange, a collection of snow, icebergs and sea ice, has properties similar to glue: It fills cracks or gaps in ice shelves. As it grows thinner, …

Accidental discovery of life deep beneath Antarctica’s ice shelves baffles scientists

As many as 16 sponges and 22 unidentified species attached to a rock were discoverd away from the sunlight under harsh conditions  

Rare Antarctica warming to trigger heatwaves, fires in Australia

The sudden stratospheric warming in South Pole has spiked temperatures by more than 40 degrees

Krill companies to stop fishing in Antarctic to protect wildlife

Members of the Association of Responsible Krill decided to voluntarily stop fishing for the crustaceans in order to ensure fisheries are …

Earth’s last magnetic field flip lasted 22,000 years: Study

The most recent magnetic field reversal happened some 770,000 years ago and is named Matuyama-Brunhes after the scientists who discovered it