Just as the incoming and outgoing energy at the Earth’s surface must balance, the flow of energy into the atmosphere must be balanced by an equal flow of energy out of the atmosphere and back to space ...

Update on 4/25: This Landsat image shows Camp Hale-Continental Divide National Monument in the winter. Congratulations to Mike and Charles for being the first readers to identify the location. Every ...

Update on 4/25: This Landsat image shows Camp Hale-Continental Divide National Monument in the winter. Congratulations to Mike and Charles for being the first readers to identify the location. Every ...

Examine the set of graphs below for a given city. Read carefully the temperature and precipitation scales on the graphs. Review the biome information. Two biome choices are given for each set of ...

Review the biomes. Now examine the set of temperature and precipitation graphs given below for each city. Be careful reading the scales on the graphs. Using the pull-down menus, select the correct ...

The global ocean is made up of five major ocean basins: the Pacific, Atlantic, Indian, Southern and Arctic Ocean. The Pacific Ocean is the largest of these basins as well as the deepest. Its expanse ...

The global ocean is made up of five major ocean basins: the Pacific, Atlantic, Indian, Southern and Arctic Ocean. The Pacific Ocean is the largest of these basins as well as the deepest. Its expanse ...

Earth Matters occasionally publishes interviews with earth scientists from around NASA. Here we feature Santiago Gassó, research associate at Goddard Space Flight Center in Maryland. What is most ...

Earth Day (8,192 by 8,192 pixels, 9.1 MB JPEG) Earth Night (8,192 by 8,192 pixels, 4.2 MB JPEG) ...

On April 18, I had the opportunity to participate in the launch of the newest version of Google Earth, which now includes some collaboration with the NASA Earth Observatory. The Google Earth team even ...

Vanguard II hangs in the atrium of the Earth sciences building at NASA’s Goddard Space Flight Center. Credit: NASA/Tabatha Luskey The shiny metallic orb hanging in the Earth sciences building at ...