What lies beneath melting glaciers and thawing permafrost?
Around the planet, ice is rapidly disappearing. From mountain tops, the poles, the seas, and the tundra. As the ice melts, it's exposing new surfaces, new opportunities, and new threats—including valuable mineral deposits, archaeological relics, no.....»»
New methods predict tipping points for alpine permafrost loss
If the bedrock in the Alps no longer remains permanently frozen, rockfalls may occur more frequently. By measuring electrical resistivity in the ground, researchers can now better understand why this happens......»»
Hubble images NGC 3430, a classic spiral galaxy
This NASA/ESA Hubble Space Telescope image treats viewers to a wonderfully detailed snapshot of the spiral galaxy NGC 3430 that lies 100 million light-years from Earth in the constellation Leo Minor......»»
Underground CO₂ storage: Researchers measure carbon mineralization at unprecedented small scale
As we look to the sky above and ponder one of the biggest questions of our time—how to combat the carbon emissions that are driving climate change—a potential answer just may lie beneath our feet, in Earth's deep subsurface......»»
Chemical analyses find hidden elements from renaissance astronomer Tycho Brahe"s alchemy laboratory
In the Middle Ages, alchemists were notoriously secretive and didn't share their knowledge with others. Danish Tycho Brahe was no exception. Consequently, we don't know precisely what he did in the alchemical laboratory located beneath his combined r.....»»
New study supports stable mantle chemistry dating back to Earth"s early geologic history
A new analysis of rocks thought to be at least 2.5 billion years old by researchers at the Smithsonian's National Museum of Natural History helps clarify the chemical history of Earth's mantle—the geologic layer beneath the planet's crust......»»
The worst gadget of 2024 has a killer camera feature
The Rabbit R1 isn't very good, but beneath the mediocre camera hides a really cool feature that just might make it worth buying after all......»»
How mantle hydration changes over the lifetime of a subduction zone
Because of interactions with Earth's hot mantle, water-logged oceanic plates release water as they slide beneath less dense overriding plates in subduction zones. This water rises and hydrates the mantle above it, contributing to the formation of vol.....»»
Signatures of life could survive near surfaces of the moons Enceladus and Europa, NASA experiment suggests
Europa, a moon of Jupiter, and Enceladus, a moon of Saturn, have evidence of oceans beneath their ice crusts. A NASA experiment suggests that if these oceans support life, signatures of that life in the form of organic molecules (e.g. amino acids, nu.....»»
Fighting AI-powered synthetic ID fraud with AI
Aided by the emergence of generative artificial intelligence models, synthetic identity fraud has skyrocketed, and now accounts for a staggering 85% of all identity fraud cases. For security professionals, the challenge lies in staying one step ahead.....»»
Freezing and melting reshape diversity and structure of glacier microbial communities
With the increasing attention on global climate change and glacier retreat, the study of glacier microbiota has gradually become an important field of research......»»
Bennu asteroid samples unveiled
In a discreet vacuumed-packed container inside a FedEx box lies a piece of ancient history; extremely ancient history......»»
Existence of lunar lava tube cave demonstrated
The presence of conduits below the lunar surface has been theorized and extensively debated for at least 50 years. Now, an analysis of NASA Lunar Reconnaissance Orbiter radar data reveals what lies below the Mare Tranquillitatis......»»
As alpine glaciers melt, the corpses of long-lost climbers are being discovered in the ice
In late June, as a group of mountaineers descended a treacherous glacier high in the Peruvian Andes, they spotted a dark, out-of-place lump resting on the blinding white snow......»»
Melting ice no guarantee of smooth sailing in fabled Arctic crossing: Study
Melting sea ice in the fast-warming Arctic Ocean is not making it easier for sailors to navigate a legendary shortcut between Europe and Asia despite popular belief, scientists said Thursday......»»
Investigating variation in the permafrost active layer over the Tibetan Plateau from 1980 to 2020
The Tibetan Plateau hosts the world's largest permafrost region in the middle and low latitudes. Compared to the high-latitude Arctic permafrost, the permafrost here is thinner, warmer, and more sensitive to global warming. The active layer is a cruc.....»»
Melting high-mountain glaciers would release greenhouse gases into atmosphere, suggest scientists
The retreat of high mountain glaciers has accelerated since the 1980s, resulting in increased glacier runoff. However, it remains uncertain whether melting mountain glaciers enhance or release greenhouse gases, and whether areas exposed to glacier re.....»»
Studies unravel climate pattern impacts on the Antarctic Ice Sheet
New Monash research has untangled the influence of regional climate drivers, including the Southern Annular Mode (SAM) and the El Niño-Southern Oscillation (El Niño), on the Antarctic Ice Sheet. Snow accumulation and surface melting are two importa.....»»
Scientists call for "major initiative" to study whether geoengineering should be used on glaciers
A group of scientists have released a landmark report on glacial geoengineering—an emerging field studying whether technology could halt the melting of glaciers and ice sheets as climate change progresses......»»
Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers
Photos show the mysterious ancient objects that mountaineers are finding on the Alps" melting glaciers.....»»
Pest predictor identifies ingredients for ecological recipe for destruction
If you've felt the familiar itch of browntail moth rash, seen the grayish-green needles of an infested hemlock or watched as woodpeckers bore into ash trees for a meal hidden beneath the surface, you've experienced the devastating effects of non-nati.....»»