There are many ways to gauge air quality. The most common measure is visibility, since most of the constituents of air pollution form visible haze. You can use your own observations and a digital ...

Today, we celebrate Terra for making yet another trip around the sun (and thousands around the Earth, too!) Happy 26 years (and counting!) to Terra and her five amazing instruments (ASTER, CERES, MISR ...

Join us this weekend (October 4 – 5, 2025) for our 2025 NASA Space Apps Challenge, an Animation Celebration of Terra Data! Register and team-up with people around the world to animate Terra instrument ...

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!) ...

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 ...

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 ...

Here’s a cheesy message from us to you! We hope you all have a Terra-fic Valentine’s Day, from everyone at the Terra Mission!

Summer is in full swing, but it wouldn’t be complete without a visit to “camp”.. Camp Landsat, that is! “Terra Visits Camp Landsat” is part story map, part interactive virtual series, highlighting the ...