What exactly does it mean for storms to get “stronger”? Does it mean faster winds? A larger wind field? Lower pressure at the center? More rain and snowfall? Higher storm surges? “You have to remember ...

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 ...

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 ...

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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 ...

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 ...