Mars’ positioning is what gives the lighter planet such a strong pull. “The closer it is to the sun, the more a planet ...

Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

Scientists have traced ancient Martian shorelines inside a giant canyon, revealing where a vast ocean once stood and why ...

If ancient Martian lakes persisted under seasonal ice rather than thick permanent ice, features on Mars that have been difficult to reconcile with past climate models, including preserved shorelines, ...

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

NASA says it is “very unlikely” the agency will be able to recover a Mars spacecraft that has been out of contact for more ...

Researchers discovered Mars subtly affects Earth’s orbit and axial tilt. These small changes help trigger ice ages and ...

Researchers worked out the ocean's size by finding how high the water level got in the Solar System’s largest canyon system.