Earth Observation
Comparing Satellite Images of Ivan and Frances
Even as it's battening down the hatches for another rough ride at the Kennedy Space Center, NASA is getting as…
NASA’s Satellite Photo of Hurricane Ivan
NASA's Terra satellite took this photograph of Hurricane Ivan as it roared past the island of Jamaica on Saturday. The…
Tracking Rainfall, Just By its Gravity
Scientists working with the Gravity Recovery and Climate Experiment (Grace) have demonstrated that they can track changes in the Earth's…
Envisat Watches Hurricane Frances
The European Space Agency's Envisat Earth has a whole suite of tools to analyze Hurricane Frances with, and that's just…
NASA Readies for Hurricane Frances
Hurricane Frances has swept past Puerto Rico and is now on a path that could strike the Bahamas, and eventually…
Plankton’s Glow Seen from Space
Scientists have figured out how they can use special instruments on board two NASA satellites to detect the early stages…
Satellites Track Inland Water Levels From Space
Although they were designed to track the height of the world's oceans, a few NASA satellites are working surprisingly well…
How the Solar Wind Gets Past the Earth’s Shield
The European Space Agency's Cluster spacecraft have helped answer a 17-year mystery about how the magnetosphere, a magnetic bubble that…
Envisat Sees the Earth Changing in Real Time
The European Space Agency's Envisat Earth observation satellite is so sensitive it can track changes on the surface of our…
A View of Hurricane Alex
NASA's Terra satellite took this true-colour photograph of Hurricane Alex, the first Atlantic storm of the season, as it grazed…