As we celebrate our 20th anniversary, we take a look back at how the Web, the world, and EO have changed. And we look ahead to a year of flashback stories.
April Puzzler
Every month, we offer a puzzling satellite image. Your challenge is to use the comments section to tell us what we are looking at and why it is interesting.
Vanguard II Turns 60
While the now silent Vanguard II continues to orbit the Earth, its back-up brother has been restored and mounted in the Goddard Space Flight Center’s Earth Sciences building’s atrium.
Picture Earth for Earth Day
NASA studies Earth as part of its mission. We invite you to celebrate the planet in the #PictureEarth social media event.
Landsat 7 Turns 20
If we travel two decades back in time and rewind the 4.73 billion kilometers that the satellite has flown since April 1999, we arrive at a very different moment in spaced-based Earth observation.
A Super View of a Super Bloom
NASA Armstrong's aerial photographer took some beautiful pictures of the wildflower super bloom in California.
Earth Observation in the Palm of Your Hand
Join in a citizen science effort to observe, report, and remove mosquito breeding sites in your community.