opportunity and spirit mars rovers

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.

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.