antarctica

Stable27 articles8 sourcesDernière mise à jour: hier

Sujets associésclimate change sea ice global warming geology penguins seabirds Gondwana Bellingshausen Sea

Derniers articles

Unusual Marine Activity in Southern Ocean Raises Concerns Amidst Heatwaves and H5N1 Threat

A 60% drop in humpback whale sightings off Western Australia and rare seabird appearances on Australia's east coast signal potential disruptions in the Southern Ocean. These events coincide with persistent marine heatwaves and the confirmed presence of H5N1 bird flu, prompting scientists to call for urgent, coordinated monitoring.

Times of India

5 min de lecture

Unusual Marine Activity in Southern Ocean Raises Climate Change Concerns

En développement

Environment·hierRésumé IA

Unusual Marine Activity in Southern Ocean Raises Climate Change Concerns

Unusual drops in humpback whale sightings and rare seabird appearances off Australia coincide with persistent marine heatwaves in the Southern Ocean. Scientists are concerned these events signal broader changes in ocean conditions, potentially linked to climate change and disease risks like H5N1.

China's Qinling Station in Antarctica Powered by Wind, Solar, and Hydrogen

China's newest Antarctic research base, Qinling Station, opened in 2024, already sources over 60% of its energy from wind, solar, and hydrogen power, moving away from traditional diesel. China aims for 100% renewable energy at all its Antarctic stations by 2035.

SCMP Economy

1 min de lecture

Antarctica's Concordia Station Records Coldest Temperature in 16 Years

Science

il y a 3 joursRésumé IA

Antarctica's Concordia Station Records Coldest Temperature in 16 Years

Antarctica's Concordia Station recorded a temperature of minus 119.4°F (minus 84.1°C) on July 18, marking its coldest reading in 16 years and the lowest officially reported anywhere globally since 2012. Scientists attribute this extreme cold to a combination of polar winter, high elevation, and exceptionally stable weather patterns.

TOI World

3 min de lecture

Nanoplastics Found in Antarctic Soils for the First Time

En développement

Science·09/07/2026Résumé IA

Nanoplastics Found in Antarctic Soils for the First Time

Scientists have detected nanoplastics in Antarctic soil for the first time, specifically in the McMurdo Dry Valleys. The study, published in Scientific Reports, identified fragments from tyre wear and common plastics, suggesting both local human activity and long-range atmospheric transport as sources. This discovery highlights the pervasive nature of plastic pollution, reaching even remote, pristine environments.

Antarctica Froze Millions of Years Before the Arctic Due to Geological Uplift

A new study suggests Antarctica's ice sheets formed millions of years before the Arctic's due to geological uplift. Gondwana's breakup caused mantle waves that raised East Antarctica, creating high-elevation terrain favorable for ice formation, even before significant global cooling.

TOI World

Clube Palestra Itália em Ribeirão Preto é vendido e será revitalizado

En développement

Real estate·04/07/2026Résumé IA

Clube Palestra Itália em Ribeirão Preto é vendido e será revitalizado

O centenário Clube Palestra Itália em Ribeirão Preto, SP, foi vendido por R$ 6,75 milhões a construtoras que prometem revitalizar o espaço, que enfrentava dívidas e esvaziamento. O imóvel, que já foi tombado, passará por reforma sem proteção histórica oficial, mas com expectativa de preservação arquitetônica.

4 min de lecture

Antarctica's Sea Ice Loss May Accelerate Global Warming More Than Expected

Urgent

Science·04/07/2026Résumé IA

Antarctica's Sea Ice Loss May Accelerate Global Warming More Than Expected

New research suggests Antarctica's sea ice loss, linked to cloud cover and ocean heat absorption, could accelerate global warming faster than previously thought. Recent record-low sea ice extents and higher regional temperatures signal a major climate shift, with potential for amplified warming and more severe climate impacts globally.

Times of India

4 min de lecture

Antarctica's Influence on Global Warming May Be Greater Than Thought, Study Finds

Urgent

Science·04/07/2026Résumé IA

Antarctica's Influence on Global Warming May Be Greater Than Thought, Study Finds

New research suggests Antarctica's sea ice and cloud cover have a stronger link to global warming than previously believed. The study by the European Geosciences Union (EGU) indicates potential underestimation of ocean heat absorption and climate sensitivity in current models, raising concerns about faster and more severe future warming.

TOI World

4 min de lecture

Giant Fan-Shaped Geological Structure Discovered Under East Antarctic Ice

En développement

Science·03/07/2026Résumé IA

Giant Fan-Shaped Geological Structure Discovered Under East Antarctic Ice

Scientists have identified a massive, fan-shaped geological structure, the East Antarctic Fan-Shaped Basin Province (EAFBP), hidden beneath over three kilometers of ice in East Antarctica. This discovery reshapes understanding of Gondwana's breakup and Antarctica's ice sheet behavior.

Chandrayaan-3 Soil Matches First Lunar Meteorite Found on Earth

Scientists found that soil studied by India's Chandrayaan-3 rover closely matches the chemical makeup of ALHA 81005, the first meteorite confirmed to be from the Moon. The finding links measurements from the "Shiv Shakti Statio" to the meteorite found in Antarctica, suggesting both represent the same broad category of magnesium-rich lunar crust material.

Times of India

Rare Titanosaur Tail Bone Identified Decades After Discovery in Antarctica

Science

01/07/2026Résumé IA

Rare Titanosaur Tail Bone Identified Decades After Discovery in Antarctica

A titanosaur tail bone, discovered in Antarctica in 1985, has been identified as a dinosaur fossil decades later. The species remains unknown, but the dinosaur was approximately 23 feet long and lived when Antarctica was covered in forests.

The Independent World

2 min de lecture

Avian Flu Strain H5N1 Confirmed in Western Australia

Urgent

Monde·22/06/2026Résumé IA

Avian Flu Strain H5N1 Confirmed in Western Australia

The H5N1 strain of avian influenza has been confirmed in Western Australia after two seabirds, a brown skua and a giant petrel, tested positive. Both birds have died, marking the first time the virus has reached Australia, raising concerns for wildlife and industry.

Roteiro especial: Conheça os principais pontos históricos de Ribeirão Preto

Ribeirão Preto completa 170 anos com um rico patrimônio histórico. O g1 preparou um roteiro com 12 locais que contam a história da cidade, desde a época dos barões do café até a chegada dos imigrantes.

12 min de lecture

H5N1 Bird Flu Confirmed Among Wildlife on Australian Subantarctic Islands

En développement

Environment·18/06/2026Résumé IA

H5N1 Bird Flu Confirmed Among Wildlife on Australian Subantarctic Islands

Over 13,000 seal pups have died on Australia's Heard Island due to H5N1 bird flu, with high mortality rates confirmed among penguins, seals, and petrels. The virus likely spread from French subantarctic islands, marking its eastward movement around the region. Australia is increasing preparedness for potential mainland incursions.

Guardian World

3 min de lecture

Antarctica's Unexplained Deaths and Disappearances

En développement

Monde·18/06/2026Résumé IA

Antarctica's Unexplained Deaths and Disappearances

Antarctica's harsh environment has led to numerous unexplained deaths and disappearances over decades. From a young Chilean woman on Livingston Island to Scott's doomed expedition and accidents involving crevasses and storms, records are often fragmentary, leaving many events without clear closure.

TOI World

4 min de lecture

Antarctica's West Coast Missing Sea Ice Area the Size of France

En développement

Monde·17/06/2026Résumé IA

Antarctica's West Coast Missing Sea Ice Area the Size of France

Antarctica's west coast is experiencing a severe deficit of winter sea ice in the Bellingshausen Sea, with an area the size of France missing. This alarming trend raises concerns for penguins, marine life, and global sea levels, and may have intensified a recent heatwave on the continent.

Wired

4 min de lecture

Vast Area of Antarctica's Sea Ice Fails to Form, Alarming Scientists

En développement

Monde·15/06/2026Résumé IA

Vast Area of Antarctica's Sea Ice Fails to Form, Alarming Scientists

An area of Antarctica comparable to France has failed to form winter sea ice in the Bellingshausen Sea, alarming scientists. This unusual event, coinciding with a heatwave, raises concerns for penguins, marine ecosystems, and sea-level rise.

TOI World

5 min de lecture

Urgent

Environment·12/06/2026Résumé IA

Antarctica's West Coast Missing Sea Ice Area the Size of France

Antarctica's west coast is experiencing a severe deficit of winter sea ice, with an area the size of France missing in the Bellingshausen Sea. This alarming loss raises concerns for penguins, marine life, and global sea levels, and may have intensified a recent heatwave on the continent.

Guardian World

3 min de lecture

One Nation's finances questioned, US-Iran tensions rise, World Cup looms

Urgent

Politique·10/06/2026Résumé IA

One Nation's finances questioned, US-Iran tensions rise, World Cup looms

Australia's One Nation party faces scrutiny over 'sloppy' financial reports with over $1m in missing assets. US President Trump accuses Iran of 'playing us for suckers' amid imminent strike threats. Thousands of Australian women face medicine uncertainty, while World Cup predictions begin.

Guardian Australia

5 min de lecture

Japan Lawmaker Raises Concerns Over Antarctic Resources and China's Intentions

En développement

Monde·03/06/2026Résumé IA

Japan Lawmaker Raises Concerns Over Antarctic Resources and China's Intentions

Japanese lawmaker Mitsuhiro Yokota voiced concerns in parliament about potential future exploitation of Antarctica's vast mineral and energy resources, specifically mentioning China's interest and its resource acquisition ambitions.

Temperate Rainforest Discovered Near South Pole from Cretaceous Period

Scientists discovered fossils of an intact temperate rainforest near the South Pole dating back 90 million years to the Cretaceous period. The findings, including a 3-meter root network preserved in mudstone, suggest Antarctica was ice-free and supported dense vegetation with an average annual temperature of 12°C due to higher atmospheric CO2 levels.

Fossilized Amber Found Beneath West Antarctic Ice Sheet

Scientists discovered fossilized amber beneath the West Antarctic Ice Sheet, proving Antarctica was once a warm rainforest. This finding challenges perceptions of the continent and impacts climate history simulations.

India and Antarctica were once one massive mountain belt, study finds

A new study reveals India and East Antarctica were once joined as a massive mountain belt, the Rayner-Eastern Ghats orogen. Rocks in India's Vizianagaram-Salur region share the same age, chemistry, and geological history as those in Antarctica, providing 'smoking gun' evidence of their shared past before drifting apart.

Times of India

4 min de lecture