A reader recently wrote to ask us about our November 17 article: “Satellite Detects Human Contribution to Atmospheric CO2.” “Hello, I read on the site that CO 2 concentrations are higher in some areas ...

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For more than 26 years, Earth Observatory has been located at earthobservatory.nasa.gov. Now, as part of our next chapter, we are moving to a new home at science.nasa ...

For more than 26 years, Earth Observatory has been located at earthobservatory.nasa.gov. Now, as part of our next chapter, we are moving to a new home at science.nasa ...

Our military C-17 flight landed on 2.3-meter thick sea ice in McMurdo Sound. McMurdo has three airfields that are used at different times during the austral summer. The sea-ice runway is located a few ...

Earth has experienced climate change in the past without help from humanity. We know about past climates because of evidence left in tree rings, layers of ice in glaciers, ocean sediments, coral reefs ...