The search for Mars' 'missing' atmospheric carbon has been called off as the planet may not have had a thick ancient atmosphere after all.
A solar storm that missed Earth but smashed into Mars last March dramatically confirmed long-held suspicions that the sun is blasting away the Martian atmosphere, and doing so at a rate that will leave the planet airless in another couple of billion years, if not sooner.
Magnesium and iron measurements suggest the hourly meteor rate overhead on Mars must have been tens of thousands of shooting stars per hour for hours.
The Earth and Mars will be on opposite sides of the sun this month, meaning we'll lose contact with our beloved Mars rovers and orbiters.
Scientists using NASA’s Mars-orbiting MAVEN spacecraft discovered a mysterious cloud of dust hundreds of miles above the planet’s surface -- and no explanation for how it got there.
When Comet Siding Spring made its historic close approach with Mars last month, the icy interloper showered the Martian upper atmosphere with meteors -- and several robots were on hand to monitor the shower's effects. Continue reading →
Early results from NASA’s recently arrived MAVEN Mars spacecraft show an extensive, tenuous cloud of hydrogen surrounding the red planet, the result of water breaking down in the atmosphere.
India has joined the Mars club.
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