Related topics: nasa

The colorful walls of an exposed impact crater on Mars

Impact craters have been called the "poor geologists' drill," since they allow scientists to look beneath to the subsurface of a planet without actually digging down. It's estimated that Mars has over 600,000 craters, so ...

New chronology of the Saturn system

A new chronology for the moons of Saturn has been developed by Planetary Science Institute Associate Research Scientist Samuel W. Bell.

A steaming cauldron follows the dinosaurs' demise

A new study reveals the Chicxulub impact crater may have harbored a vast and long-lived hydrothermal system after the catastrophic impact event linked to the extinction of dinosaurs 66 million years ago.

Image: Sculpted by nature on Mars

Nature is a powerful sculptor—as shown in this image from ESA's Mars Express, which portrays a heavily scarred, fractured Martian landscape. This terrain was formed by intense and prolonged forces that acted upon Mars' ...

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