Ground ice on Mars is patchy and variable Tuesday, May 1, 2007
For the first time, scientists have found that water ice lies at variable depths over small-scale patches on the Red Planet.
Gas jets spawn dark 'spiders' and spots on Mars icecap Tuesday, August 15, 2006
Every spring it happens. As the Sun peeks above the horizon at the Martian south polar icecap, powerful jets of carbon-dioxide (CO2) gas erupt through the icecap's topmost layer. The jets climb high into the thin, cold air, carrying fine, dark sand and spraying it for hundreds of feet around each jet.
Orbital eyes picked Mars rover Opportunity's landing site Thursday, December 1, 2005
On January 24, 2004 - one Mars year ago - NASA's Mars Exploration Rover Opportunity arrived at Mars. After a tense, high-speed entry and descent, the rover, tightly cocooned in airbags, bounced and rolled to a stop inside tiny Eagle Crater on Mars' Meridiani Planum. The landing, which made an interplanetary hole-in-one, was flawless.
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