Severe weather events, such as heavy rainfall, are on the rise worldwide. Reliable assessments of these events can save lives ...

At first, the idea doesn't sound all that impressive. The earth is more than 3,500 miles deep, from crust to core, so Darpa's plan would literally just scratch at the surface.

Maps must be more than static reference tools; they must be dynamic platforms that reflect the world as it changes.

SAN FRANCISCO — The first ever global map of Mercury was released here Tuesday at the American Geophysical Union meeting. The map combines new observations from the Messenger spacecraft with ...