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.

NASA’s Perseverance rover has detected complex molecules of carbon on the surface of Mars. These compounds, known as ...

New findings from rocks inside Jezero Crater add to growing evidence that the Red Planet may once have been habitable.

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

Scientists have uncovered evidence of a massive magma system beneath Mars' surface, challenging the long-held belief that ...

A new study suggests that Mars’s red colour is better matched by iron oxides containing water, known as ferrihydrite. Everyone knows Mars is the “red planet,” but a new study is reshaping scientists’ ...

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Mars' distinctive red color comes from the mineral ferrihydrite, which only forms in the presence of cool water, a new study claims. Ferrihydrite also forms at a lower temperature than other minerals ...

Mars is easily identifiable in the night sky by its prominent red hue. Thanks to the fleet of spacecraft that have studied the planet over the last decades, we know that this red color is due to ...

Before June comes to a close, the red planet (Mars) will cruise past the compact cluster of blue-white stars tucked inside ...