Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists may have finally cracked a 50-year-old mystery surrounding the so-called "Martian dichotomy"—the sharp ...

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Mars is home to perhaps the greatest mystery of the Solar System: the so-called Martian dichotomy, which has baffled scientists since it was discovered in the 1970s. The southern highlands of Mars ...

Mars has northern and southern hemispheres like Earth, but their defining characteristics are markedly different, a phenomenon known as Martian dichotomy. The Southern Highlands are older, higher in ...

For decades, we have been imaging the surface of Mars with ever-finer resolution, cataloging a huge range of features on its surface, studying their composition, and, in a few cases, dispatching ...

The Martian mounds are also much older, having existed for billions of years, rather than millions. But McNeil’s analysis shows that the Martian mounds are likely the last remnants of ancient ...

Years of research have yielded a pretty colorful picture of Earth's evolution over billions of years. But what about our neighbor a little further from the Sun? While camera-carrying spacecraft and ...

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" that splits the Red Planet into two distinct halves. When you purchase ...

Add Yahoo as a preferred source to see more of our stories on Google. Thousands of mysterious mounds on Mars preserve layers of evidence pointing to ancient water on the red planet that likely ...