New analysis reveals Arctic winter sea ice coverage declined significantly due to record lows in 2025 and 2026, reversing a brief slowdown. The study suggests that Arctic winter sea ice loss is continuing in a warming climate.
Scientists discovered that internal structure of polymer nanoparticles plays a key role in controlling ice growth, contrary to previous designs that focused on surface interactions. Changing the inner core's chemistry can effectively inhibit ice recrystallisation.
A new study reveals that the Antarctic ice sheet responded sharply to climate change following a major shift in Earth's ice age cycles. The simulation found that below a critical atmospheric CO2 level, the amplitude of Antarctic ice variations increases in response to changes in temperatures.
A new study found that dust from volcanic and ice-free regions replaced traditional sources, indicating a significant retreat of the West Antarctic Ice Sheet. The research suggests that sea levels could rise by three to five meters due to melting.
A new study reveals Antarctica's sea ice collapse is driven by a triple whammy of climate chaos, resulting in record-breaking lows. The Southern Ocean's transformation led to the loss of vast areas of ice equivalent to Greenland, destabilizing global ocean currents and accelerating global warming.
A new study suggests that rapidly melting Antarctic ice shelves can lead to a significant increase in global sea levels. The researchers found that long, channel-like grooves on the underside of these ice shelves can trap warm ocean water, causing local melting and potentially weakening the structural strength of the ice shelf.
A new study reveals how responsive Greenland's ice sheet is to climate change, with widespread methane release linked to an episode of warming around 4,000 years ago. The findings highlight the role of recent ice margin fluctuations on subglacial carbon cycling, with implications for global methane budget assessments.
Research finds that warmer autumns delay lake freezing, leading to colder winter under-ice temperatures. Autumn surface waters have also warmed by an average of 1.85 °C, while large lake size and strong winds influence under-ice bottom water temperatures.
Researchers found a tipping point in granular sea ice where fluids can flow vertically through it, altering nutrient replenishment and melt pond evolution. This change has major implications for microbial communities and various geophysical processes, affecting Earth's climate system.
Simulations suggest Greenland ice sheet changed in response to atmospheric CO2 scenarios and orbital forcing, with increased dynamical instability after expansion. The results imply that other factors, such as Antarctic ice changes and ocean processes, are needed to fully explain the persistence of certain climate cycles.
The formation of freshwater lakes at the edge of Greenland's melting ice sheet is accelerating glacier flow, potentially increasing global sea-level rise. The lakes can destabilize glaciers, triggering movement and heightening ice loss.
Landfast sea ice is sticking to Alaska's northern coast for less time each year, according to 27 years of data analyzed by University of Alaska Fairbanks scientists. The Chukchi and Beaufort seas have seen a decline in landfast sea ice coverage, with the extent of Beaufort Sea landfast sea ice decreasing by 39 days over the past 9 years.
Researchers found a strong inverse correlation between Arctic sea ice extent and Indian summer monsoon rainfall on interannual timescales. Decreased Arctic sea ice variability during June to July leads to increased rainfall over western and northwestern India, indicating a westward shift in the monsoon season.
A record-breaking sediment core 700 km from Antarctica's nearest stations provides direct evidence of how the West Antarctic Ice Sheet and Ross Ice Shelf responded to warmer temperatures. The core, measuring 228 meters in length, contains layers of mud and rock documenting environmental conditions during earlier warm periods.
Researchers at the University of Bergen have discovered that thermal convection, a slow churning movement inside the ice driven by vertical differences in temperature, is responsible for the giant plumes. This finding could help reduce uncertainties in models of future ice sheet mass balance and sea-level rise.
Researchers from the US and UK have created a method to predict September Arctic sea ice extent with high accuracy, improving monitoring of sea ice health and its impact on global climate. The model captures effects from subseasonal to seasonal timescales and outperforms other models.
A University of Waterloo scientist and international collaborators found that airborne mineral dust promotes algae growth on the Greenland ice sheet, exacerbating melting. The study reveals that phosphorus in the dust fuels the growth of pigmented glacier algae.
A new study using sediment drill cores reveals a link between solar cycles and the stability of fast ice in Antarctica. The research team found that changes in solar activity disrupt zonal winds over the Southern Ocean, leading to the retreat of sea ice along the coast.
A recent study has reconciled the debate over the existence and thickness of a microscopically thin liquid layer, known as premelting film, on ice surfaces. The research suggests that this layer is restricted to a limited thickness near the equilibrium point due to water's unusual density properties.
Researchers have mapped Antarctica's subglacial topography using satellite data and physics of ice flow, revealing previously unseen geological structures. The detailed map improves ice sheet models and guides future geophysical surveys to reduce uncertainty in sea-level rise projections.
New research reveals how warmer ocean currents triggered the large-scale retreat of the Northeast Greenland Ice Stream, a critical sector of the Greenland Ice Sheet. The study found that when an ice stream's grounding line is exposed to warm ocean water, it becomes vulnerable to retreat and collapse.
Scientists at the University of East Anglia used an autonomous underwater vehicle to survey beneath the Dotson Ice Shelf, finding that the shape of the seabed is more important than current speed in influencing warm water circulation. This leads to melting at the underside of the ice shelf, contributing to sea level rise.
A new real-time prediction method for September Arctic sea-ice extent has been developed using interannual increment and stepwise regression approaches. The study demonstrates high predictive performance compared to long short-term memory neural networks, with smaller prediction errors and greater stability.
Research reveals that early Holocene ice-shelf retreat in East Antarctica was driven by oceanic forcing enhanced by meltwater discharge from neighboring regions. This self-reinforcing feedback loop accelerated inland ice loss, indicating that Antarctic ice retreat can propagate across multiple sectors through oceanic connections.
A new geochemical technique reveals that Arctic sea-ice coverage waxed and waned with atmospheric warming over the last 300,000 years, not ocean heat. This finding suggests that future reductions in Arctic sea ice will enhance biological nutrient consumption.
Researchers have discovered a new crystalline ice phase, Ice XXI, formed under two gigapascals of pressure at room temperature. This breakthrough reveals complex phase transitions and structural formation mechanisms between water and ice.
Researchers analyzed sediment cores from three sites in the Arctic, finding that year-round ice coverage corresponded with less cosmic dust. This study suggests that tracking cosmic dust can help predict changes to sea ice coverage and understand warming trends.
Researchers have discovered the oldest directly dated ice and air on the planet, providing an unprecedented view of Earth's past climate. The 6-million-year-old ice cores reveal a gradual cooling trend of about 12 degrees Celsius over the last 6 million years.
Researchers used airborne radar to map an unexplored region in East Antarctica, discovering a subglacial sedimentary basin. The basal unit, a layer of ice, carried small amounts of material from a mountain range and left behind sediment, forming a novel kind of basin.
Researchers at Penn State developed a tool to analyze seismic activities linked to Arctic sea ice movements, providing insights into ice characteristics and interactions. The new approach can help coastal communities assess threats from drifting sea ice, such as erosion and wave creation.
A team of researchers from NASA Goddard and Penn State found that fragments of molecules from E. coli bacteria can survive for over 50 million years in pure water ice, but degrade faster in mixed soil samples. This suggests that future Mars missions should target locations with pure ice or ice-dominated permafrost to search for life.
A new study published in Science reveals that large fluctuations in global sea level occurred throughout the last ice age, rather than just at its end. This finding represents a significant shift in researchers' understanding of past climate history and challenges conventional wisdom on the middle Pleistocene transition.
The study reveals that the Patagonian ice sheet underwent periods of expansion and contraction, contrary to earlier assumptions. The driving force for long-term fluctuations was found to be changes in summer seasons and solar radiation, known as integrated summer energy.
Scientists have identified a new phase of warm ice, called ice XXI, which forms when water is rapidly compressed to supercompressed water at room temperature. The discovery offers insights into how high-pressure ice forms and may lead to new findings about the composition of icy moons.
Researchers found that northerly winds exacerbate ice loss in Antarctica by capping off polynyas, reducing ocean heat loss. This mechanism could be connected to human-induced climate change and potentially mitigated by reducing greenhouse gas emissions.
A new study by the University of Gothenburg suggests that thawing permafrost played a significant role in raising carbon dioxide levels after the last ice age. Researchers estimate that this carbon exchange may have accounted for almost half of the rising CO2 levels.
Researchers discovered an 85m-deep crater and 90 million cubic metres of water flooded out of a subglacial lake, fracturing the ice above and creating a massive flood. The study highlights the need to better understand how often subglacial lakes drain and their impact on the surrounding ice sheet.
A 40-meter long ice core from Mont Blanc's Dôme du Goûter holds clues to 12,000 years of human and environmental history. The record provides insights into Europe's past climate, including a temperature difference of about 3 degrees Celsius between the last Ice Age and the current Holocene Epoch.
Researchers have found extensive, previously unmapped flat surfaces beneath a 3,500 km stretch of the East Antarctic coastline, which were formed by large rivers after East Antarctica and Australia broke apart. These surfaces may currently be regulating the rate of ice loss from the East Antarctic Ice Sheet.
Researchers investigated low-density amorphous ice and found it was not fully disordered but contained tiny crystals. This discovery challenges the assumption that space ice is similar to liquid water and has implications for theories like Panspermia.
Researchers at the University of Copenhagen analyzed old aerial photos to better understand mechanisms behind Antarctic ice shelf collapse. The study reveals that rising sea temperatures are a primary driver of collapse, contradicting previous assumptions.
Research on record-low years of Antarctic sea ice reveals warming of the Southern Ocean, increased ice-shelf calving, and stronger phytoplankton blooms. Low sea-ice area negatively affects krill and fish populations, ultimately impacting their predators and humans operating in Antarctica.
Research reveals common patterns between ice shelf, sea ice, and ocean swell conditions prior to three large-scale iceberg calving events. Long periods of sea ice loss surrounding the ice shelves were found in the months leading up to the events.
Researchers have discovered a sudden rise in surface salinity south of 50° latitude, coinciding with a dramatic loss of sea ice around Antarctica. The findings suggest a dangerous feedback loop where less ice leads to more heat, which leads to even less ice.
A research team from the Alfred Wegener Institute found that a current in the Barents Sea affects Arctic sea ice formation. Warmer Atlantic water flowing into the Barents Sea can warm it up and lead to less new sea ice formation, causing existing ice to melt faster.
New data from the James Webb Space Telescope suggests that Europa's icy surface is constantly changing due to interactions with charged particles. Laboratory experiments also found evidence of crystalline ice beneath the amorphous ice layer, indicating a possible liquid ocean beneath the surface.
A new study suggests that limiting global temperature increase to 1.5°C may not be enough to save the world's ice sheets, which could lead to significant losses and extensive displacement of coastal populations. The researchers argue that a target of around 1°C would be more effective in preventing rapid sea level rise.
A team from USTC successfully dates 1-kilogram Antarctic ice samples using a novel all-optical atom trap trace analysis method, providing a powerful tool for studying paleoclimate changes. The technique enables the detection of rare krypton-81 atoms in ancient ice, overcoming a significant technical challenge.
A study found that Arctic snow and ice melting triggers an enhancement in the cloud short-wave cooling effect, partially slowing further melting. This new perspective reveals a co-evolution mechanism between clouds, snow/ice coverage, and surface albedo.
A University of Otago-led study develops more accurate methods to predict ice sheet and glacier deformation, driven by climate change. The research uses 70 years of data from experiments worldwide, enabling more reliable predictions about future ice-sheet movement.
Researchers have reconstructed Meltwater Pulse 1a, a catastrophic sea level rise that occurred around 14,500 years ago. The study suggests that an initial melting of the Laurentide ice sheet over North America triggered a global cascade of ice loss, with surprising linkages between ice sheets across hemispheres.
Researchers at Stanford University used machine learning to analyze high-resolution remote-sensing data of ice movements in Antarctica, gaining new insights into the fundamental physics governing the large-scale movements of the Antarctic ice sheet. The study reveals that most of the ice shelf is anisotropic, with different physical pr...
A new study reveals that Arctic sea ice loss drives drier weather over California, especially in winter, and wetter conditions over Spain and Portugal. The research isolates the effect of Arctic sea ice melting from other climate change factors.
Researchers from Utrecht University studied icebergs' routes during rapid ice cap deterioration and found evidence of ancient material from Antarctica near South Orkney Island. The study suggests that Antarctica had an ice cap in the late Eocene, and large icebergs could survive in warm ocean conditions.
Researchers developed a durable de-icing surface inspired by human skin's layered structure, achieving exceptional performance with low ice adhesion strength. The surface design creates extensive wrinkling at the ice-substrate interface, allowing ice to shed under its own weight without external energy inputs.
Researchers discovered that tiny algae on glacier ice can grow rapidly despite limited nutrients, darkening the surface and accelerating melting. This finding has significant implications for predicting climate change, as it highlights a potential positive feedback loop between warming and ice melt.
New research reveals that ice algae can store phosphorus, enabling them to colonize larger areas of the ice sheet. This could lead to faster melting as darkened ice loses its reflectivity.
A new study published in Nature Communications Earth and Environment finds that Arctic cyclones may contribute to the underpredicted decline of sea ice extent. The research suggests two theories: turbulent seas breaking up larger ice floes and upwelling increasing temperatures that help melt younger, thinner ice.
The FAU-designed autonomous observation platform system offers a comprehensive approach to studying the Arctic environment and monitoring the impact of melting sea ice. The system integrates with the environment it monitors, providing new data on Arctic Sea ice melt beyond what satellites and manned ships can provide.
Researchers at ETH Zurich discovered tiny ice quakes deep inside ice streams, explaining the discrepancy between simulations and satellite measurements. The findings impact sea-level rise estimates and may reveal fault planes in ice cores, providing a better understanding of ice stream deformation.