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

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

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. A stunning view of Mars from the north pole to the equator. Alba Mons is a vast shield volcano in the center of the image. Image credit: ESA / DLR / FU Berlin / CC BY-SA 3.0 IGO. Mars is widely considered to be volcanically quiet, but a puzzling chemical signal in its thin atmosphere may suggest the planet’s interior is not entirely dormant. “On Mars, as on Earth, the chlorine cycle...

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

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

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. A stunning view of Mars from the north pole to the equator. Alba Mons is a vast shield volcano in the center of the image. Image credit: ESA / DLR / FU Berlin / CC BY-SA 3.0 IGO. Mars is widely considered to be volcanically quiet, but a puzzling chemical signal in its thin atmosphere may suggest the planet’s interior is not entirely dormant. “On Mars, as on Earth, the chlorine cycle...

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These 10 New Features Are Coming to iOS 27.3

These 10 New Features Are Coming to iOS 27.3

Jake Peterson Jake Peterson Senior Technology Editor Experience Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, and subscriptions. Read Full Bio November 3, 2026 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. Credit: Thomas Trutschel/Photothek via Getty Images Key Takeaways Apple released the first developer beta for iOS 27.3 on Tuesday. The update comes with 10 new features across iPhone, iPad, and...