Russia launched a wide-ranging attack on Ukraine on Thursday, hitting cities and bases with airstrikes or shelling,…
One by one, embassies and international offices in Kyiv closed. Flight after flight was canceled…
While the world’s attention has been focused on Ukraine, the Biden administration also has been…
Europe braced for further confrontation Wednesday and Ukraine urged its citizens to leave Russia after tensions escalated…
Permafrost — ground that has been permanently frozen for two or more years — makes…
Even the Arctic, previously all but immune, faces rising wildfire risk, experts say ahead of the…
Emerging evidence from a study led by Jeffrey Howard, associate professor of public health in the…
As the climate crisis becomes more immediate, carbon capture and utilization (CCU) technology has been…
The salinity of freshwater ecosystems caused by road de-icing salts, agriculture fertilizers, mining operations and…
Russian President Vladimir Putin laid out his version of Ukraine’s history, saying essentially that Ukraine was always…
