Mars
Exploration Rovers
mission
Overview
Science
Mission Timeline
Technology
Launch Vehicle
Spacecraft
Mission Team
Rover
Communications
Instruments
Location Maps
Rover Update
news
What's New
Newsroom
Rover Update
multimedia
Images
Raw Images
Panoramas
Interactive
Videos
More Resources
participate
All Mars
Mars Exploration Home
Mars Sample Return
Mars 2020 Rover
Mars Helicopter
Mars Science Laboratory
MAVEN
Mars Reconnaissance Orbiter
Mars Odyssey
InSight Mission
Participate
Participate
Send a Postcard
Send a Postcard ›
Write a message to the Opportunity rover and team.
Classroom Activities ›
Access to various classroom activities.
Ask NASA Mars
Ask Questions About Mars ›
Ask NASA Mars questions and get facts. Information about Mars missions, rovers, orbiters, landers, astronauts and human exploration.
Mars Facts ›
Mars planet facts and information. Compare Earth & Mars. Fun science images for kids, school, family & space fans. Mars in space, night sky & history.