The Antarctic ice sheet does not behave as one single tipping element, but as a set of interacting basins with different critical thresholds. This is the finding of a new study by the Potsdam ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may also be among the most promising places to search for signs of past life.

An overhead view on the project website, looking east across U.S. 15 (south of Winfield), the river and PA 147 (north of Northumberland) (csvt.com) SHAMOKIN DAM - An unexpected issue with two fly ash ...

Under a new settlement with state regulators, communities and environmental groups, Duke Energy will spend $3.5 billion to close its last nine coal-ash storage impoundments in North Carolina, bringing ...