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Mars is Solar Groovy
Topic: Mars
While engineers engage their rover with mission commands and scientists look for rocks, an untold history on Mars is being written by the weather itself. In Gusev crater, or the 'cup' where the Spirit rover came to rest, newly released images from orbit indicate that tiny tornadoes called 'dust devils'.

Rover Science Team Eyes Sleepy Hollow
Topic: Mars
After passing a complete check-up on Sol 2, the Spirit rover is getting ready to communicate directly with Earth using its high-gain antenna.

Water Signs
Topic: Mars
If the Mars Exploration Rovers' twin panoramic cameras represent a pair of eyes, then the Mini-TES (Mini-Thermal Emission Spectrometer) is its third eye. Mini-TES analyzes a scene in infrared, rather than in visible light. Scientists can interpret its data to determine the mineral composition of Mars rocks.

Postcards from Mars
Topic: Mars
In its first transfer of Mars imagery, the rover Spirit beamed down around seventy images, and exceeded its best predicted transfer rates by 150%. The landing area looks surprising clean and not too rugged, which will help geologists uncover whether it is an ancient dry lakebed.

Spirit's First Light
Topic: Mars
First images show spectacular camera views from nearly a quarter billion miles away, on the surface of Mars.

Christmas Vigil Ensues
Topic: Mars
In 1968, when Apollo 8 became the first manned mission to orbit the moon, the crew's dramatic Christmas Eve recitation from the Book of Genesis was broadcast back to all those on the 'good Earth'.

ESA's Beagle: Sniffing Out Life on Mars
Topic: Mars
The European Space Agency's Beagle 2, scheduled to land on Mars on Christmas day, will be the first spacecraft in nearly 30 years to search directly for evidence of martian life. At the heart of the mission lies the lander's Gas Analysis Package.

Living on Mars Time
Topic: Mars
During the upcoming Mars Exploration Rover missions, participating scientists and engineers will be waking and going to bed with the rising and setting of the sun - on Mars. There's a hitch: A day on Mars is 39.5 minutes longer than a day on Earth.

Martian Dangers: Staring at the Sun
Topic: Mars
Radiation may seem like a necessary energy input to sustain any biological ecosystem: warmth, light, photosynthesis depend on our sun. But is radiation an invisible enemy to finding life elsewhere, where a protective blanket does not shroud thinner atmospheres than our own?

Seeing Red: Getting the Front Seats
Topic: Mars
The Mars Express took its closest view yet of the red planet, from a distance of several million miles. The best seats for the forthcoming landing views are just beginning to fill up for the start of the show.
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