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Mars Reconnaissance Orbiter
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What's New?
Memory Rewritten, as Planned, on Mars Reconnaissance Orbiter - 11/09/2015
NASA Orbiter Views Sites of Fiction Film's Mars Landings
NASA Confirms Evidence That Liquid Water Flows on Today's Mars - 09/28/2015
New findings from NASA's Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars.Read More & Watch Webcast >>
What Happened to Early Mars' Atmosphere? New Study Eliminates One Theory
Mars Oribter Launched 10 Years Ago
Recent Videos
50 Years of Mars Exploration
CRISM: Exploring the Geology of Mars
Christina Beck explains how CRISM hyperspectral images are used to understand the history and formation of Valles Marineris, one of the largest canyons in the solar system, and how the data is used to unravel the ancient environments of Mars.Watch Video >>
Where is the Orbiter?
Where is the Mars Reconnaissance Orbiter?
View the simulated views and computer generated images of where Mars Reconnaissance Orbiter is now.More >>
Mars in The Palm of Your Hands
Tune in with Mars on the go.Download the Be A Martian App, on your Android, iPhone, Windows Phone and Tablets!More >>
Come explore Mars with us
Be part of exploration and discovery, and personally contribute to the expansion of human knowledge for all of us now, and as a legacy for those who follow.More >>
Eyes on the Solar System
"Eyes on the Solar System" is a 3-D environment full of real NASA mission data. Explore the cosmos, including Mars from your computer. Fly with NASA's Voyager 2 spacecraft. See the entire solar system moving in real time. It's up to you. You control space and time.More >>
Ask Dr. C
Have you ever wondered why Mars is red?
Or, how long does it take for Mars to orbit the sun? Ask Dr. C, your personal Mars expert!More >>