Mars Exploration Rovers

Free Documentary Screening: 'Mission to Mars' -- Feb. 25
The challenges and triumphs of the twin rovers, Spirit and Opportunity, are the topic of the screening on Tuesday, Feb. 25 at 7 p.m. in Caltech's Beckman Auditorium. MORE

NASA's Opportunity Rover Mission on Mars Comes to End
NASA's Opportunity Mars rover mission is complete after 15 years on Mars. Opportunity's record-breaking exploration laid the groundwork for future missions to the Red Planet. Read More › Watch Video ›

Six Things to Know About NASA's Opportunity Rover
Opportunity's mission is complete. Here are highlights from its time on Mars. Read More › Send a Postcard › Mission Highlights & Resources ›
MORE

Rover Update

Artist's concept of a Mars Exploration Rover

Send a Postcard

Write a message to the Opportunity rover and team.

Send Postcard ›


Postcard Stamp

By The Numbers

Infographic about the Mars Rovers

This infographic highlights NASA's twin robot geologists, the Mars Exploration Rovers (MER) Spirit and Opportunity.

View Infographic ›