Early Mars rocks reveal at least three separate water episodes

When NASA's Perseverance rover reached the inner edge of Mars' Jezero Crater in September 2023, mission scientists were surprised by what they found. The geologic area, called the "Margin Unit," stretches along the shoreline ...

Solar Orbiter tracks origin of mysterious magnetic switchbacks

The European Space Agency–led Solar Orbiter spacecraft has flown through an S-shaped kink known as a "switchback" in the solar wind's magnetic field. By fingerprinting the elusive particles within the switchback, Solar Orbiter ...

Mars' oddest cloud may be even odder than previously thought

Scientists using the European Space Agency's Mars Express, in combination with a state-of-the-art meteorological model of the Red Planet, have found that there may be some exotic physics behind Mars' most curious cloud. The ...

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