A seemingly small planetary neighbor may play a larger role in Earth’s climate than previously thought. Mars is only about ...

ESPOO, Finland — China’s Tianwen-3 Mars sample return mission is entering flight hardware development, targeting a late 2028 launch to seek out biosignatures on the Red Planet. The mission has ...

A potential new mineral on Mars forms when iron sulfates are heated above 100°C. Data from Valles Marineris regions suggest ...

You’ve probably followed the Mars rover missions on and off for years, watching those red-dust landscapes scroll across your ...

This low-angle self-portrait of NASA’s Curiosity Mars rover shows the vehicle at the site from which it reached down to drill ...

For more than a decade, NASA’s Curiosity rover has been climbing a Martian mountain, reading the planet’s ancient history ...

Scientists studying Mars may have uncovered a brand-new mineral hidden in the planet’s ancient sulfate deposits. By combining laboratory experiments with orbital data, researchers identified an ...

Scientific research examines whether Mars could support human life through terraforming, outlining atmospheric, temperature, and energy requirements needed to transform the planet into a habitable ...

What is a planetary retrograde? And what connection does it have to astrology? We explain how planets move across the sky.

Geological features like these provide evidence that Mars once had a denser atmosphere and significant surface water — ...