Deep in the dark recesses of a limestone cave in Alabama soar life-sized figures that span earthly and spiritual realms. Traced into the mud of the cave ceiling by torchlight more than a thousand ...

SMAP Level-4 (L4) surface and root zone soil moisture (L4_SM) data are provided in three products. The SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data ...

Outsiders wonder how Phoenix can exist in desert heat with limited water. But it's always adapted as it's grown to become the 5th-largest U.S. city.