Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried up billions of years ago.

NASA’s Mars InSight mission was designed to study the interior of Mars rather than its surface. During its operation, the lander achieved several historic firsts, from detecting marsquakes to ...

The ESCAPADE mission, which launched to space on a Blue Origin rocket on Thursday, breaks the mold of how planetary science missions typically come together. By Kenneth Chang Kenneth Chang went to ...

What can dust devils on Mars teach scientists about the Red Planet’s weather and climate cycles? This is what a recent study published in Science Advances hopes to address as a team of scientists ...

Rachel Feltman: Happy Monday, listeners! For Scientific American’s Science Quickly, I’m Rachel Feltman. Let’s kick off the week with a quick roundup of some of the latest news. First, let’s talk about ...

NASA's long-planned Mars Sample Return mission is in serious trouble. A flagship endeavor meant to retrieve rock samples collected by the Perseverance rover is now facing budget cuts, delays, and some ...

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Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis. Water once existed in abundance ...

More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its atmosphere, however, surface water could no longer persist. The fate of Mars’ ...