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Researchers have shared new insights into melting icebergs and lake ice formation.

The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El Niño events causes melt of sea ice in far-reaching parts of the Southern Ocean via its effect on the global atmospheric circulation. A new study demonstrates that the opposite pathway exists as well.

The largest freshwater bacterium, Achromatium oxaliferum, is highly flexible in its requirements, as researchers have now discovered: It lives in places that differ extremely in environmental conditions such as hot springs and ice water. The adaptation is probably achieved by a process which is unique to these bacteria: only relevant genes are enriched in the genomes and transcribed, while others are archived in cell compartments.

As winters become milder and lake ice less stable, more children and young adults are falling through the ice and fatally drowning, say researchers. A new study, which looked at 4,000 drownings in 10 countries, including Canada, Russia, Finland, Germany, Sweden, and the United States, found warming winter air temperatures were a good predictor of the number of drownings.

Scientists recently published a study that could help researchers learn where protections are needed the most for bowhead whales.

An expedition finds that holes in the Greenland ice sheet, called moulins, are much larger than previously thought.

New research reveals that tropical cyclones were actually more frequent in the southern Marshall Islands during the Little Ice Age, when temperatures in the Northern Hemisphere were cooler than they are today. This means that changes in atmospheric circulation, driven by differential ocean warming, heavily influence the location and intensity of tropical cyclones.

Scientists noted that the slope on Barry Arm fjord on Prince William Sound in southeastern Alaska slid some 120 meters from 2010 to 2017, a slow-moving landslide caused by glacial melt that could trigger a devastating tsunami. These are some of the first measurements to quantify how the slope is falling there; the study also models a potential tsunami.

Computational models suggest that melting water originating in the deep interior of Greenland could flow the entire length of a subglacial valley and exit at Petermann Fjord, along the northern coast of the island. Updating ice sheet models with this open valley could provide additional insight for future climate change predictions.

Researchers studying the Bering and Chukchi seas for three weeks in October found no ice and a surprisingly active ecosystem as they added another year's data to a key climate change record.

Warm, moist rivers of air in Antarctica play a key role in creating massive holes in sea ice in the Weddell Sea and may influence ocean conditions around the vast continent as well as climate change, according to new research.

Arctic researchers have been visiting the Bering and Chukchi seas off Alaska for nearly 30 years, collecting information about the biological diversity of the watery world under the sea ice. This year, a late-season research cruise revealed a surprise. At a time of year when an ice-breaking ship is usually required to get to some of the data-gathering outposts, scientists found nothing but open water and an unusually active ecosystem.

A new study found that suicide rates increase during all types of disasters -- including severe storms, floods, hurricanes and ice storms -- with the largest overall increase occurring two years after a disaster. A team of researchers examined the impact of 281 natural disasters on suicide rates during a 12-year span and found overall suicide rates increased by 23% when compared to rates before and after the disaster.

Scientists have detected what they say are the sediments of a huge ancient lake bed sealed more than a mile under the ice of northwest Greenland.

During the last Ice Age about 20,000 years ago, iron-containing dust acted as a fertilizer for marine phytoplankton in the South Pacific, promoting carbon dioxide sequestration and thus the glacial cooling of the Earth. But where did the dust come from?

A new study shows that increased heat from Arctic rivers is melting sea ice in the Arctic Ocean and warming the atmosphere.

A long-standing mystery in the study of glaciers was recently and serendipitously solved. A trigger was identified for some of the largest floods on Earth -- those emerging suddenly and unpredictably from beneath glaciers or ice caps.

Following the presidential election, a leading group of scientists are making the case that a 'rule reversal' will not be sufficient to allow the Endangered Species Act to do its job. Instead, they're calling for deeper improvements to the rules federal wildlife agencies use to apply the law -- aiming to make the Act more effective and to gain bipartisan and industry support in an era of accelerating climate change.

A group of climate experts make the case for including paleoclimate data in the development of climate models. Such models are used globally to assess the impacts of human-caused greenhouse gas emissions, predict scenarios for future climate and propose strategies for mitigation.

Bonfire Night celebrations contaminate our air with 100 times more soot than usual. The particles, also known as black carbon are so small, they can penetrate deep into the lungs and cause irritation. Long term exposure can cause harmful effects on the heart and lungs and contributes to millions of deaths worldwide each year.