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Mars Success Honored At Disney
04.06.04 - Administrator O'Keefe, a Mars rover and others help Disney celebrate the success of Spirit and Opportunity.
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Spirit Finds Water Hints at Gusev →
04.01.04 - Clues from a wind-scalloped volcanic rock on Mars investigated by NASA's Spirit rover suggest repeated possible exposures to water inside Gusev Crater.
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Mineral in Mars 'Berries' Adds to Water Story →
03.18.04 - A major ingredient in small mineral spheres analyzed by NASA's Mars Exploration Rover Opportunity furthers understanding of past water at Opportunity's landing site.
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Rovers Watching Solar Eclipses
03.08.04 - The eclipse-watching campaign began this month with Opportunity's panoramic camera view of Mars' smaller moon, Deimos.
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Sunset Clip from Opportunity Tells Dusty Tale →
02.27.04 - Dust gradually obscures the Sun during a blue-sky martian sunset seen in a sequence of newly processed frames from NASA's Mars Exploration Rover Opportunity.
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Opportunity Examines Trench as Spirit Prepares to Dig One →
02.20.04 - NASA's Opportunity rover is finding some unexpected things in a martian trench, while Spirit is getting set for its own dig at "Laguna Hollow."
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Spirit Talks to Europe's Mars Express
02.12.04 - On February 6, Mars Express orbiter transferred commands from Earth to the rover and relayed data from the robotic explorer back to Earth.
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'Blueberry Muffins' on Mars? →
02.09.04 - NASA's Spirit rover has begun making some of its own driving decisions while its twin, Opportunity, is presenting scientists with decisions to make about studying small spheres embedded in bedrock, like berries in a muffin.
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Mars Exploration Rover Mission Status →
02.05.04 - NASA's Opportunity rover drove about 3.5 meters (11 feet) toward a rock outcrop in the wall of a small crater on Mars; its twin, Spirit, has successfully reformatted its flash memory
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Opportunity Sees Tiny Spheres in Martian Soil →
02.04.04 - NASA's Opportunity has examined its first patch of soil in the small crater where it landed and found strikingly spherical pebbles among the mix of particles there.
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Opportunity and Spirit Reach Out →
02.02.04 - Each of NASA's two Mars Exploration Rovers is using its versatile robotic arm for positioning tools at selected targets on the red planet.
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Mars Rover Spirit Restored to Health →
02.01.04 - NASA's Mars Exploration Rover Spirit is healthy again, the result of recovery work by mission engineers since the robot developed computer-memory and communications problems 10 days ago.
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Opportunity Rolls onto Martian Ground →
01.31.04 - NASA's Mars Exploration Rover Opportunity drove down a reinforced fabric ramp at the front of its lander platform and onto the soil of Mars' Meridiani Planum this morning.
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Spirit Gets Back To Work
01.29.04 - The Mars rover resumed taking pictures as engineers continue work on restoring its health.
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Opportunity Begins Standing Up →
01.29.04 - NASA's Opportunity rover has untucked its front wheels and latched its suspension system in place, key steps in preparing to drive off its lander and onto martian soil.
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Scientists Thrilled to See Layered Rocks →
01.27.04 - New pictures from NASA's Opportunity reveal thin layers in rocks just a stone's throw from the lander platform where the rover temporarily sits.
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Opportunity Sits in a Small Crater
01.25.04 - A 300-million-mile hole in one.
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Opportunity Images Show Bizarre Landscape
01.25.04 - As if it's a whole different planet.
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NASA Hears From Opportunity Rover On Mars
01.25.04 - NASA's second Mars Exploration Rover successfully sent signals to Earth during its bouncy landing and after it came to rest on one of the three side petals of its four-sided lander.
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Spirit Upgraded As Twin Nears Mars
01.24.04 - Hours before NASA's Opportunity rover reaches Mars, engineers have found a way to communicate more reliably with its twin, Spirit.