Due to overwhelming response of the app, the API call limit to NASA's server has been reached. We are working on it to better the experience. Thank you for your patience!

Search for Extraterrestrial

Crowdsourcing comments on Mars photos

Join the public to search for aliens on Mars through photos
sent back by the NASA's Curiosity Rover

Cure your Curiosity

Explore the Red Planet from various different angles! Fingers crossed for spotting an alien!
Mars or Earth is an excellent platform for you to browse through photos of Mars conveniently.

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Spread the Word

If we aim to terraform Mars within our lifetime, more work has to be done! Let your friends know about Mars or Earth and get them to join in the movement to advance space exploration!
All comments on the photos will be tweeted via Mars or Earth's official Twitter account. #TeamMarsOrEarth

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