Your challenge is to use the comments section to tell us what we are looking at, where it is, and why it is interesting.
May Puzzler
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Your challenge is to use the comments section to tell us what we are looking at, where it is, and why it is interesting.
Take a tree height observation on a smartphone, write a tree poem, and share stories about trees that are special to you on social media as part of the challenge.
A photo of one of the world's largest alkaline lakes handily won the crown.
A new video series offers a look at the satellite program that changed how we look at Earth.
A new report explores whether seasonal weather conditions play a role in influencing the spread of the virus that causes COVID-19.
We can't offer prize money or a trip to Mars, but bragging rights are forever if you can pick the eventual champion.
By studying Lake Salda, researchers gained a better understanding of the potential microbial and geological processes at Jezero Crater.
Every month we offer a puzzling satellite image. Your challenge is to tell us what we are looking at, where it is, and why it is interesting.
Every year, a group of scientists affiliated with the Global Carbon Project give Earth something like an annual checkup.
More than 1,000 astronaut photos have been published on EO. Help us choose the best in our archives.
