New research suggests the atmosphere of Mars may be hiding ... This oxidized iron may have helped to give Mars its ...

Scientists have found what seems to be the oldest direct evidence of hot water flowing on Mars during its ancient past. The ...

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Red Planet Day, observed annually on November 28, commemorates the launch of NASA’s Mariner 4 mission in 1964, which marked ...

Humanity has long been fascinated by the planet Mars. Was its climate ever conducive to life? What is the atmosphere like today and why did it change so dramatically over time? Eleven spacecraft have ...

Over time, the warming effect would encourage the planet to thaw out more on its own and eventually lead to the creation of a more livable atmosphere on Mars. Gravity will be a challenge ...