Artisanal gold mining operations along the Rio Madre de Dios in Peru remove trees and leave behind gravel piles and pools of water. Credit: Ethan Householder For decades, wounds have surfaced in the ...

A team of medical professionals monitored the vital statistics of each buried participant during a new study of an avalanche safety device. Credit: Maurizio Gretter/Eurac Research A new medical study ...

A massive gully has been developing over the last two decades at Pondok Balik. It now covers an area of over 3 hectares. In Indonesia, a massive and rapidly developing gully is causing considerable ...

The figure shows results of different terrace formation models across countless combinations of parameters within the model. Through this sensitivity analyses and despite the potentially large ...

On Thursday, EPA Administrator Lee Zeldin will join President Donald Trump to announce the repeal of the 2009 Endangerment Finding. Credit: The White House/Joyce N. Boghosian, Public Domain Research & ...

Sediment cores collected by instruments such as this one on the back of R/V Neil Armstrong shed light on how the North Atlantic Ocean of the last ice age circulated. Credit: Alice Carter-Champion A ...

Global detections of oxychlorine salts reveal a complex, 4-billion-year chemical cycle on Mars. They can act as de-icing agents, oxidants, a hazard and a vital resource for future human exploration.

Coastal (tidal) wetlands are low-lying ecosystems found where land meets the sea, including mangroves, saltmarshes, and seagrass meadows. They are shaped by tides and support a mix of marine and ...

From 1948 to 1953, a gold mine called Giant Mine released about 5 tons of arsenic trioxide per day into the environment around Yellowknife, Northwest Territories, Canada. Emissions declined from the ...

In Antarctic lakes such as Lake Fryxell, fresh water freezes over briny liquid water. New research suggests that the liquid seawater during “snowball Earth” was up to 4 times saltier than modern ocean ...

Two United Tribes Technical College students collect soil samples from an undeveloped piece of land on their campus in Bismarck, N.D. Credit: Emily Biggane As the climate continues to change, soil and ...

About a third of protoplanetary disks, illustrated here, start out tilted relative to their stars. Credit: NSF/AUI/NSF NRAO/S.Dagnello, Public Domain Astronomers have recently found that roughly a ...