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Mars Exploration Program
Download a Mars Exploration Rover calendar for 2017 and 2018
Join us on the Journey to Mars as we explore with robots and send humans there one day. Download a Mars poster that speaks to you.
Have a question about Mars? Try asking NASA Mars.
Mars: Viking's 40th Anniversary Artwork
Mars Quick Facts
Mars Map: Explore Mars, its canyon lands and volcanoes and the rover landing sites!
Experience Curiosity Interactive
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Science Discoveries
What's New?
Curiosity Mission Update: Gazing Longingly towards Vera Rubin Ridge
Laser-targeting A.I. Yields More Mars Science
A.I. Will Prepare Robots for the Unknown
NASA Mars Orbiter Views Rover Climbing Mount Sharp
Martian Crater Provides Reminder of Apollo Moonwalk
Recent Videos
Mars in a Minute: How Long is a Year on Mars?
Mars takes a longer trip around the Sun than Earth does. Find out what that means for spacecraft in this 60-second video.Watch Video >>
Six Ways Opportunity is like a Teenager
Curiosity Update: Four Years on Mars
Magnificent Mars: 10 Years of Mars Reconnaissance Orbiter
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
Send 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 NASA Mars your questions.Ask a Question >>