Tree rings could pin down Thera volcano eruption date

Charlotte Pearson's eyes scanned a palm-sized chunk of ancient tree. They settled on a ring that looked "unusually light," and she made a note without giving it a second thought. Three years later, and armed with new methodology ...

Research team releases new global groundwater maps

NASA researchers have developed new satellite-based, weekly global maps of soil moisture and groundwater wetness conditions and one to three-month U.S. forecasts of each product. While maps of current dry/wet conditions for ...

Christmas Island discovery redraws map of life

The world's animal distribution map will need to be redrawn and textbooks updated, after researchers discovered the existence of "Australian' species on Christmas Island.

Hidden source of carbon found at the Arctic coast

A previously unknown significant source of carbon just discovered in the Arctic has scientists marveling at a once overlooked contributor to local coastal ecosystems—and concerned about what it may mean in an era of climate ...

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