It's absolutely enormous. The post Mysterious Object Screaming Toward Mars Is Huge and Far More Massive Than Scientists ...

Seismic studies reveal Mars may have a solid inner core. The result deepens knowledge of its evolution and lost magnetic ...

NASA scientists have uncovered an unexpected presence inside Mars, a solid mass around 373 miles in size. This finding has been explained in detail within the journal Nature. The data on which these ...

Determining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction. Measuring the mass of such a small planet based ...

(Image/The seismic data provided by "InSight" has revealed the existence of a solid inner core on Mars for the first time.) ...

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists may have ...

A satellite orbiting Mars has captured the best-ever images of a gigantic "scar" carved across the Red Planet's surface. The dark ravine, which is accompanied by unusual zebra-like stripes, is likely ...

Astronomers may have figured out where the mysterious blobs embedded in Mars' mantle originated.

(CNN) — Hundreds of basketball-size space rocks slam into Mars each year, leaving behind impact craters and causing rumblings across the red planet, according to new research. Mission planners could ...