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Mysterious Gas over Mars’ Alba Mons Could Hint at Volcanic Activity

Nov 4, 2026 - 20:15
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Mysterious Gas over Mars’ Alba Mons Could Hint at Volcanic Activity
A stunning view of Mars from the north pole to the equator. Image credit: ESA / DLR / FU Berlin / CC BY-SA 3.0 IGO.

Hydrogen chloride (HCl) gas was seen during Mars’ cold aphelion season, when none was expected; the detection is best explained by ongoing igneous processes in the Martian interior.

The post Mysterious Gas over Mars’ Alba Mons Could Hint at Volcanic Activity appeared first on Sci.News: Breaking Science News.

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