
This March 28, 2021 image shows tumbleweeds covering a sandbar along the Rio Grande in Albuquerque, N.M. Like elsewhere in the southwestern U.S., water managers in New Mexico are warning farmers that demand is expected to outpace supply this year due to limited winter snowpack and spring runoff. (AP Photo/Susan […]

Entering a lunar lava tube. The Moon’s surface is covered by millions of craters, but it also hosts hundreds of very steep-walled holes known as pits. Like doorways to the underworld, photos of some pits clearly show a cavern beneath the Moon’s surface, suggesting that they are ‘skylights’ into extensive […]

Credit: Shutterstock/Tracey McNamara When two West Coast rivers flooded on the same day in 2019, the Waiho tore down a bridge and cut off local communities for 18 days, and the Fox eroded a landfill, exposing 135 tons of rubbish that contaminated beaches more than 100km away. A flood on the Rangitata River […]

The Mekong from Phou si. Credit: Wikipedia 813 years of annual river discharge at 62 stations, 41 rivers in 16 countries, from 1200 to 2012. That is what researchers at the Singapore University of Technology and Design (SUTD) produced after two years of research in order to better understand past […]

The arrival of the railroad and associated structures in 1850 along the banks of New York’s Hudson River Tidal Estuary in several areas created the conditions for marshes to form. Credit: the Dams and Sediment in the Hudson project In a new study of tidal marsh resilience to sea level […]

The suggested valley and possible river flowing from the deep interior of Greenland to Petermann Fjord deep below Greenland’s ice sheet (500 meters below sea level). Credit: Christopher Chambers et al, The Cryosphere, November 12, 2020 Computational models suggest that melting water originating in the deep interior of Greenland could […]

Water from Canada’s Mackenzie River enters the blue Arctic Ocean in July 2012. White areas in the top half of the photo are largely sea ice, while those below are clouds over land. Credit: NASA Earth Observatory A new study shows that increased heat from Arctic rivers is melting sea […]

A satellite shot of the Panguna mine GETTY IMAGES Mining giant Rio Tinto is facing accusations that a mine it abandoned in Papua New Guinea two decades ago is leaking poisonous waste into rivers. More than 150 people living in Bougainville have filed a complaint with the Australian authorities. They […]

The humpback whale was found in Australia’s East Alligator River NT GOVERNMENT Australian officials say they will try to guide a humpback whale out of a crocodile-infested river in the Northern Territory after it got lost and ended up 30km (18.5 miles) inland. The whale and others were on an […]

This March 26, 2019, file photo, shows a bathtub ring of light minerals showing the high water mark of the reservoir which has shrunk to its lowest point on the Colorado River, as seen from the Hoover Dam, Ariz. Six states in the U.S. West that rely on the Colorado […]