Astronomers have filled a large gap in knowledge about Mars' water cycle. Their research on water percolating from surface to ...

Slope streaks once believed to be signs of water on Mars might really be signs of rockfall and high winds, a new study says.

NASA’s Mars Reconnaissance Orbiter has been capturing high-resolution images of the Martian surface. Over ten years of ...

NASA’s Perseverance rover is discovering a treasure trove of diverse ancient rocks on Jezero Crater’s rim, some possibly ...

Researchers analyzed a global database of 500,000 strange streaks that occur on steep Martian slopes, concluding that they're most likely caused by dry processes rather than liquid flow.

Billions of years ago, water flowed on the surface of Mars. But scientists have an incomplete picture of how the red planet's ...

Hope for flowing water on modern-day Mars appears dashed after recent work examined mysterious markings on the red planet's ...

A camera built at Arizona State University is on its way to check for signs of life above Jupiter, but it detoured to Mars ...

Beneath Mars’ barren crust, scientists may have found a hidden oasis—liquid water, deep below, waiting to reshape our view of ...

Scientists have found seismic clues that suggest liquid water may be lurking beneath Mars' surface, which could be a game ...

Precipitation, to be clear, includes any variant – not just water, but snow or freezing rain and other forms of water falling ...

How can artificial intelligence (AI) be used to advance mapping and imaging methods on other planets? This is what a study presented at the 56th Lunar and Planetary Science Conference hopes to address ...