A NASA spacecraft is coming up on a record-breaking milestone: Next week, the space agency's Mars Odyssey orbiter will have worked longer at Mars than any other spacecraft in history.
Mars Rovers Spirit and Opportunity are 6-wheeled, remotely operated explorers on the planet Mars. Learn more about Mars exploration and how the Spirit and Opportunity rovers are doing.
NASA's Spirit rover currently exploring Mars completed one full swing around the Sun Monday, giving researchers a year-long look at the Martian seasons.
NASA's stuck Mars rover Spirit has found more evidence that water trickled beneath the Red Planet's surface in the past — perhaps even within the last few hundred thousand years.
A new photo yields an up-close view of a meteorite the Mars rover Opportunity found on the Red Planet last month.
After spending the weekend studying a meteorite on Mars, NASA's rover Opportunity headed to yet another space rock — the sixth it has discovered on the Red Planet.
NASA Mars rover Opportunity has apparently found another meteorite on the surface of the Red Planet.
After six-and-a-half years roaming the surface of Mars, a NASA rover has spotted its first dust devil on the red planet.
NASA's intrepid Opportunity rover currently rolling across the surface of Mars has just caught its best-yet glimpse of its next stop – the huge Endeavour Crater.
Today marks the day that Spirit takes over the record of longest-running Mars mission if she wakes up from her winter hibernation.
This week, the Mars rover Spirit could break Viking 1's record for longest-running Mars surface mission.
The acidic waters that once bathed Meridiani Planum area of Mars may have been created by interaction with atmosphere.
The Mars rover spirit skipped a phone call to Earth to say it was okay and may be hibernating for the red planet winter.
The roving days for NASA’s stuck robotic explorer Spirit are likely over after more than six years rolling across the Martian surface, the space agency announced Tuesday.
NASA's stuck Mars rover Spirit has manged to climb a short distance as it tries to escape deep Martian sand.