New research reveals US groundwater reserves reach 306,500 cubic kilometers, significantly surpassing previous estimates based on surface water data. Researchers have developed a groundbreaking high-resolution map of groundwater across the contiguous...

identify several mechanisms that lower the ground, each varying in importance across regions. Pumping large volumes of groundwater removes support for sediment layers, allowing the overlying earth to compact. Similar subsidence follows oil and gas...

indicates at least three primary stages of aqueous alteration, each defined by different chemical processes: Early Groundwater Circulation: At lower elevations, the rover encountered rocks where olivine grains had been fractured and altered. This...

Mars’s Jezero Crater reveals a complex history of repeated water activity, from ancient groundwater to later heated fluids, reshaping our view of the planet. NASA’s Perseverance rover has uncovered a geological narrative on Mars far more intricate than...

breakthrough, as scientists have identified a previously unknown species of subterranean eel living deep within the groundwater of the India-Nepal border region. The discovery of the tiny fish, now formally named Gangaichthys indonepalicus, marks the...

eyeless species discovered in Japan’s underground environments are shedding light on the hidden biodiversity of groundwater systems. Researchers have identified two previously unknown species of eyeless amphipods residing within the subterranean cave...

fertilizer storage and chemical-laden equipment—raised alarms regarding the potential contamination of local groundwater. By late 2025, major agricultural firms had already resumed planting on the reclaimed lakebed, highlighting the persistent tension...

The extensive canal system accelerated surface runoff, stripped the peat of its retained moisture and lowered surrounding groundwater tables. This over‑drainage triggered irreversible drying, peat subsidence and recurrent fires, especially during the...

as the Margin Unit appears to have been transformed by at least three distinct episodes of water activity, ranging from groundwater circulation to the influence of a ancient lake and later hydrothermal shifts. Scientists originally anticipated that the...

across Libya, Egypt, Chad and Sudan. Scientific analysis, including radiocarbon dating, indicates that portions of this groundwater have been isolated for approximately 40,000 years, predating the end of the last glacial period. Because the aquifer is...

The actual collapse of Shisur’s fortress appears to have resulted from a sinkhole around the well, likely caused by groundwater extraction for irrigation, rather than a mythic sandstorm. Ubar Lost City Today. Credit: MadainProject According to the...

Scale bar = 1 cm. ©Scientific Reports Because the fish has so far been recorded only within Bobcat Cave and its connected groundwater system, its range is extremely restricted. Surface runoff, sediment, and potential contaminants can infiltrate the...

hypothesizes that subsurface heat—perhaps from ancient volcanic activity—might have melted buried ice, allowing salty groundwater to ascend and gradually generate the gypsum crystals. Comparison between Martian mineral formations observed by China’s...

aluminum. The simulations accounted for varying timescales and fluid dynamics, including both static diffusion and active groundwater flow. By modeling how water transforms these diverse substrates, the team sought to understand the origins of the two...

The research team concluded that this shift is triggered by the oxidation of sulfide minerals. As permafrost thaws, groundwater is able to circulate through deep, sulfide-bearing rocks. When these minerals are exposed to water and oxygen, they react to...

millions of years and at temperatures above 120 °C, these minerals destabilise, releasing lithium into the surrounding groundwater through dissolution and chloritisation. The study concluded that most lithium was generated in‑situ from volcanic...

caps a radioactive pit on Runit Island, the easternmost tip of Enewetak Atoll in the Marshall Islands. With each tide, groundwater swirls beneath the slab, and scientists warn that this movement could ferry contaminated sediments into the nearby lagoon....

Communications Earth & Environment The team has identified a distinct timeline of events recorded within the bedrock: Groundwater Interaction: Initially, carbon dioxide-rich groundwater seeped into cracks within olivine-bearing volcanic rock, triggering...

health risks. The McGill University study underscores that beyond air pollution, these wells threaten to contaminate groundwater and degrade sensitive ecosystems. While nonprofit entities such as the Well Done Foundation have stepped in to cap some of...

The species is currently known only from Bobcat Cave and its associated aquifer, making its survival tightly linked to groundwater quality in the surrounding recharge zone. Water samples collected over the past twenty years have shown elevated levels of...