Mostly to lighten our helicopter loads, but also to exercise a bit, we decided to pull the radar sled with skis. But it ended up not being an easy job at times: some of our field days were really ...

Our adventure began in Vancouver, British Columbia, Canada on Wednesday, April 13th. After a solid day of driving up and over the Rocky Mountains, we arrived in Alberta on Thursday. Here are some ...

Today is a big day. I just arrived in Los Angeles from DC this afternoon, and I’m heading to Vandenberg Air Force Base in Lompoc, California, to see an Atlas 5 rocket blast Landsat 8 into space.

Now that we’re back home, the process of data registration and processing begins. It’s not quite as much fun as collecting the data in such an amazing place, but we’re all excited to see what the data ...

Clement Delcourt, Rebecca Scholten and Sander Veraverbeke (from left to right, Vrije Universiteit Amsterdam) after a day of sampling in an area that burned with high severity. If only I could collect ...

Aerosols are another name for particulate matter in the atmosphere. Aerosols are important because in clear skies they can scatter sunlight back to space can act to help cool the planet. Aerosols are ...

Most of the time, the influence of land (and pollution that people generate) can only be seen a few miles from shore. When flying south into Alaska from the Arctic ocean, we saw the tell-tale ...

One thing we occasionally hear from readers is “Why don’t you have images of…?” We actually get some really fantastic ideas just that way. For instance, just a few weeks ago, we got a request for ...

First, to minimize stating a bunch of boring facts and figures, I give you some brief but informative links below to research for yourself. This blog post is more of an emotional statement of alarm ...

In early September, I drove down to Wallops Flight Facility to set up our GPS base station in preparation for the test flight. The test flight is to verify that everything is working as expected, and ...

On Thursday, August 28 th, I was able to watch AV-6 take off from Wallops Flight Facility. The black plane that you can see in the linked video is flown as an added safety precaution as it follows the ...

Since NASA Earth Observatory started publishing images in 1999, the archive has grown to contain more than 17,000 stories. This week, Image of the Day stories highlight this robust archive with a look ...