For decades, global soil moisture monitoring from space has depended on reference datasets. Satellite observations, while indispensable, are rarely used alone; instead, their retrieval algorithms are ...

Ice cores, tree rings, and satellite data converge on a striking truth: Earth’s rapid changes today are unlike anything seen in human history. When most people hear the term Earth science, they think ...

The Earth sciences will become increasingly prominent in the 21st century as humanity confronts daunting challenges in finding natural resources to sustain Earth’s burgeoning population, in mitigating ...