Follow this link to skip to the main content National Aeronautics and Space Administration Logo
NASA Banner
NASA Mars Exploration Program
Mars Exploration Program
Mars History
Mars Map: Explore Mars, its canyon lands and volcanoes and the rover landing sites!
Mars Facts
Mars Exploration Rovers Calendar for 2015 - 2016
Curiosity's Top 5 Science Discoveries
If you want the latest news as it happens, try our Be A Martian app and other mobile apps!
Explore Mars with Curiosity's Journey!
Be a Martian
What's New?
NASA Spacecraft Will Alter Orbit to Be in Place for Mars Lander's Arrival
NASA's Curiosity Rover Inspects Unusual Bedrock
New Website Gathering Public Input on NASA Mars Images
Congratulations New Horizons on the Pluto Flyby!
Almost 50 years to the day we received our first images of Mars, we also have our first images of Pluto!Read MoreMore on 50 Years of Mars Exploration
NASA's Curiosity Mars Rover Tracks Sunspots
Opportunity Rover's 7th Mars Winter to Include New Study Area
Recent Videos
Five Ways Mariner 4 Changed Mars Exploration
Rover's-Eye View of Marathon on Mars
Curiosity Rover Report: Rover Road Trip
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 are the Spacecraft?
Where is Curiosity?
Where are the Rovers?
Opportunity has reached Endeavour crater where it will spend time studying rocks never seen before. After a successful six-year mission, Spirit's mission has officially concluded. See the latest location maps  and  status reports.
Be A Mars Maker
Print your own 3D model of a Mars meteorite!Download Print File >>Mars Makers Home >>News Feature >>
Send a Postcard to Curiosity
Celebrate Curiosity's second year on Mars by sending the rover and the team a message.Send Postcard >>
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 >>
Explore Curiosity's Journey in 3D
Follow Curiosity's drive and read about the latest updates on Curiosity's Journey on Mars!Start Now >>
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 >>
Ask Dr. C
Have you ever wondered why Mars is red?
Or, how big is the Mars Science Laboratory rover? Ask Dr. C, your personal Mars expert!More >>