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As the Arctic warms, polar bears now face a greater risk of contracting several pathogens than bears three decades ago, according to a new study.

The transition from water to land is one of the most significant events in the history of life on Earth. Now, a team of roboticists, palaeontologists and biologists is using robots to study how the ancestors of modern land animals transitioned from swimming to walking, about 390 million years ago.

A new report says any research into large-scale interventions in Earth's climate system must be grounded in sound ethical principles so society can make informed choices about whether to deploy them.

Polar bears in some parts of the high Arctic are developing ice buildup and related injuries to their feet. The changes appear to be an unexpected consequence of climate change, related to changing conditions in a warming Arctic.

New research from multiple ice cores collected across Greenland with data spanning up to 120,000 years provides new understanding of abrupt Dansgaard-Oeschger events, how they unfold and what that might mean for the future.

The world's freshwater lakes are freezing over for shorter periods of time due to climate change. This shift has major implications for human safety, as well as water quality, biodiversity, and global nutrient cycles.

Researchers developed a rating system to evaluate the plausibility of climate model simulations in the IPCC's latest report, and show that models that lead to potentially catastrophic warming are to be taken seriously.

Research observing the physical motion of falling ice crystals could help scientists better estimate where and when these crystals will melt into raindrops.

For decades, scientists knew there was a huge swath of undetected and unaccounted for per- and polyfluoroalkyl substances (PFAS) in the atmosphere, often referred to as PFAS dark matter, but no one knew how much was missing or how to measure them. Now, an atmospheric chemistry research team has devised a way to test for one of the most ubiquitous elements of these potent greenhouse gases.

Toxic trace elements such as lead, mercury, arsenic, and cadmium naturally occur in small quantities in coastal seas. However, human activities, such as industry and agriculture, contribute significantly larger amounts. A new study has examined how climate change already affects the distribution and accumulation of these elements and how it could impact them in the future. One of the findings: Climate-related natural events are releasing more contaminants, which pose a risk to both human and animal health. However, there is still insufficient knowledge about how these contaminants will behave in the future.

Natural climate patterns such as El Nino are causing tropical glaciers to lose their ice at an alarming rate, a new study has found.

Vegetation cover across the Antarctic Peninsula has increased more than tenfold over the last four decades, new research shows.

Small iron-rich formations found within Western Australia's Pinnacles, which are part of the world's largest wind-blown limestone belt spanning more than 1000km, have provided new insights into Earth's ancient climate and changing landscape.

Geologists discover a mysterious subduction zone deep beneath the Pacific Ocean, reshaping our understanding of Earth's interior.

A new study on ice cores from Alaska and Greenland found that air pollution from the burning of fossil fuels reaches the remote Arctic in amounts large enough to alter its fundamental atmospheric chemistry. The researchers unexpectedly found pollution's footprint in levels of an airborne byproduct of marine phytoplankton activity, which plummeted as soon as widespread fossil fuel usage began in the industrial era. The findings illustrate the long reach of fossil fuel emissions.

Climate change from greenhouse gas emissions could make extreme El Nino events more frequent, according to new research.

Scientists discovered that ancient reef-building stromatoporoids survived the Late Devonian extinction, contrary to previous beliefs, and continued to thrive. The findings reveal how these organisms adapted to past environmental changes, offering valuable insights into the resilience of marine ecosystems and lessons for modern conservation efforts.

A new study combines data from ancient shells with advanced climate modeling to shed light on how El Ni o weather patterns might change in a warming world.

Tree-ring data reveal that periodic shifts in strong winds high above the Earth's surface have driven opposite climates in different parts of Europe for the past 700 years and likely much longer, resulting in contrasting patterns in weather, agricultural and societal extremes.

Northeast Greenland is home to the 79 N Glacier -- the country's largest floating glacier tongue, but also one seriously threatened by global warming: warm water from the Atlantic is melting it from below. Experts have however now determined that the temperature of the water flowing into the glacier cavern declined from 2018 to 2021, even though the ocean has steadily warmed in the region over the past several decades. This could be due to temporarily changed atmospheric circulation patterns. Researchers now discuss how this affects the ocean and what it could mean for the future of Greenland's glaciers.