How we used drones to monitor coastal erosion in Ghana

Delta environments are low-lying and highly vulnerable to flooding and erosion by ocean waves. And these hazards are likely to increase as the world's climate changes and sea levels rise. Monitoring these hazards, and their ...

NASA snaps picture of new crack in Greenland ice shelf

(Phys.org)—A team of researchers working with NASA's Operation IceBridge has snapped a picture of a crack in the middle part of Petermann Glacier—it resides on Greenland's northern coast. The photo and other accompanying ...

Decades later, a Cold War secret is revealed

For more than a decade they toiled in the strange, boxy-looking building on the hill above the municipal airport, the building with no windows (except in the cafeteria), the building filled with secrets.

Hidden water holds the key to a changing desert

Passover, which celebrates the Israelites' flight from Egypt, ended Tuesday night. Yet after the exodus, they wandered the desert for 40 more years. There, Moses struck a rock with his staff and made water flow.

Landsat 7 satellite shows tsunami effects in Sendai, Japan

Before and after images from the Landsat 7 satellite show the after effects of the tsunami that followed the 9.0 earthquake off of Japan's east coast last weekend. A side-by-side comparison reveals inland areas inundated ...