Testing for nitrogen in your local watershed can help identify potential “œhot spots” in your community that may be contributing to nutrient loading downstream. With a simple, inexpensive field test ...

ASTER website informs a broad audience about ASTER data and products. ASTER data are are available from several archives: ...

It’s hard to believe, but it’s been one year since we celebrated Terra’s 25th Anniversary! (In case you missed it, you can get all the highlights on the Terra website). Today, we celebrate Terra for ...

As most data users are aware, the Terra satellite has recently been experiencing power-based limitations caused by orbital changes and solar array efficiency. In order to maintain power margins, the ...

After nearly 25 years of observing Earth’s lower atmosphere, tracking harmful emissions from wildfires and industrial sources, the Canadian Measurement of Pollution in the Troposphere (MOPITT) ...

Another year, another cheesy Valentine’s Day card from the Terra mission! (And speaking of 25 years, check out pictures and slideshows from our 25th Anniversary Event at GSFC’s Visitor’s Center, ...

This year has been a busy one for Terra, with our 25th Anniversary just around the corner! (Learn more and RSVP here!) ...

You may have heard about the upcoming full solar eclipse, happening this upcoming April 8th, 2024 — but did you know Terra will have one of the “best seats in the house” for viewing this rare ...

Before we kick off an exciting year — full of celebrating Terra’s upcoming 25th Anniversary! — let’s take a moment to look back at the top-viewed monthly Earth Observatory stories featuring the Terra ...

Happy Halloween 2023, from the Terra mission! Enjoy this ‘spooky’ set of (Terra)-fying imagery that highlights some of Earth’s strangest costumes (as well as past NASA Earth Observatory images ...

Over the past three years, the Terra mission has performed multiple maneuvers that have led to changes in the satellite’s consistent 20+ year orbit*. Today, Terra continues slowly drifting to an ...

My parents always encouraged me and my siblings “not to work as hard” as they did, so I felt like getting a college degree was necessary to ensure more financial freedom than they experienced. I like ...