In 1967 Hansen went to work for NASA’s Goddard Institute for Space Studies, in New York City, where he continued his research on planetary problems. Around 1970, some scientists suspected Earth was ...

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 ...

On April 29, 1999, NASA Earth Observatory (EO) started delivering science stories and imagery to the public through the Internet. So much has changed in those 20 years… + In 1999, about 3 to 5 percent ...

A rain gauge will collect how much rain falls, but how exactly do scientists measure the size, shape, and fall speed of raindrops near the ground? Patrick Gatlin of NASA’s Marshall Space Flight Center ...

How Earth observation technologies are revolutionizing global agri-food systems. Nowadays, various forms of technology play a fundamental role in our daily routines. From the use of GPS to navigate to ...

On top of all the great science they make possible, satellites often produce imagery that is simply beautiful. This image of Turnabout Glacier on Canada’s Ellesmere Island is a case in point. It shows ...

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 ...

Science suggests that to mitigate the human contribution to global warming, we should reduce carbon dioxide and other greenhouse gas emissions. Because some additional warming is inevitable—even if we ...

The cost and benefits of global warming will vary greatly from area to area. For moderate climate change, the balance can be difficult to assess. But the larger the change in climate, the more ...

The warm, shallow ocean waters of the tropics have talkative “forests” of their own. Brightly colored mounds of coral grow in the warm ocean waters, quickly when nutrients are plentiful and more ...