Strange Martian Spirals Explained

Almost 40 years ago, NASA's Mariner 9 spacecraft relayed to Earth the first video images of Mars' northern polar ice cap, revealing a strange pattern of spiral swirls that has puzzled scientists ever since. Using new data ...

NASA InSight study finds Mars is spinning faster

Scientists have made the most precise measurements ever of Mars's rotation, for the first time detecting how the planet wobbles due to the "sloshing" of its molten metal core. The findings, detailed in a recent Nature paper, ...

Webb adds another ringed world with new image of Uranus

Following in the footsteps of the Neptune image released in 2022, the NASA/ESA/CSA James Webb Space Telescope has taken a stunning image of the solar system's other ice giant, the planet Uranus. The new image features dramatic ...

3D radargram brings new focus to Mars' north polar cap

A new enhanced 3D radar image offer a greatly improved view of the interior of the Martian north polar cap, according to a paper led by Planetary Science Institute Senior Scientist Nathaniel Putzig.

Hope for present-day Martian groundwater dries up

Liquid water previously detected under Mars' ice-covered south pole is probably just a dusty mirage, according to a new study of the red planet led by researchers at The University of Texas at Austin.

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