NASA's Opportunity Rover Celebrates a Decade on Mars

Ten years ago today, the Opportunity rover landed on Mars. In this newly released retrospective, NASA engineers reflect on the challenges they've faced keeping this intrepid little rover roving well beyond its original 90-day mission. » 1/25/14 8:40am 1/25/14 8:40am

Read the jealous letter Dr. Bunsen Honeydew wrote to the Mars Rover…

The Muppets' Dr. Bunsen Honeydew considers himself the foremost pioneer in crazy scientific endeavors. So when NASA landed the Rovers Spirit and Opportunity on Mars, Bunsen was understandably miffed. Still he was classy enough to send a letter of congratulations to the team, along with his offer of help. » 3/10/12 9:30am 3/10/12 9:30am

10 Unsolved Martian Mysteries

For decades, humanity has been launching missions to Mars, in hopes of making sense of the enigma that is our solar system's most Earth-like planet. And as with all good mysteries, many of our investigations have simply led to more questions. » 11/28/11 10:24am 11/28/11 10:24am

Mars Science Lab Rover Mission Delayed Two Years

Sad news for the Mars Science Lab (MSL) mega-rover, big sister to the little rovers who've been roaming Mars for the past few years. The robot was supposed to launch next year, and start exploring Mars with a lot more scientific equipment (including a laser) than the current rovers, Spirit and Opportunity. It would… » 12/05/08 1:40pm 12/05/08 1:40pm

The Triumphant Journeys of Martian Robots

Since 1960 we've been attempting to explore the red planet, and along the way there have been countless failures and lost spacecraft that attest to just how hard it is to fly those 35 million miles from here to there. However, there have also been success stories, like the twin rovers Opportunity and Spirit, who have… » 3/25/08 3:11pm 3/25/08 3:11pm

Spirit, the Mars Rover, Left to Die Before Its Time

The brave, unflagging Mars rover Spirit, who has lived on the Red Planet for almost four years, has been given a death sentence by the U.S. government. Right now, the little robot is resting on a sunny slope, waiting out the winter and preparing to do more tests on the Martian atmosphere. But now it looks like Spirit… » 3/25/08 7:00am 3/25/08 7:00am

Looking for Life on Mars with the Next Generation Rover

Definitely one of the coolest symposia at AAAS was the one this afternoon devoted to the Martian rovers — past, present, and future. On the panel were NASA's Richard Cook, who helped design Spirit and Opportunity as well as the next Martian rover; Steven Squyres, a Cornell geologist who has been working with Spirit… » 2/15/08 5:45pm 2/15/08 5:45pm