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 ...

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.) ...

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

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

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 ...