The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

A collection of rocks scattered on an ancient shoreline on Mars might indicate that the Red Planet was once far more Earth-like than scientists previously thought. The rocks, discovered by NASA's ...

Like Earth, Mars once had a strong magnetic field that shielded its thick atmosphere from the solar wind. But now only the magnetic imprint remains. What's long baffled scientists, though, is why this ...

New research suggests that the idea of transforming the Red Planet might not be so far-fetched after all. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to less than a year.

MAVEN was the first successful mission designed to study the atmosphere of Mars. It also became a vital node of NASA’s ...

Scientists just observed Mars' nightglow in the visible light spectrum for the very first time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The planet is six times more massive than Earth, but colder than our home planet.

NASA is getting the best of both worlds as it tests future Mars helicopter designs both on Earth and the Red Planet for the first time, marking a historic milestone in aeronautical experimentation.

This artist’s impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated that there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the ...

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