Rocket Lab's concept, which did not make the cut, came in under the $4 billion mark and would mean samples returned from Mars ...

The fundamental question of why Mars is red has been considered for hundreds if not for thousands of years,” Adam Valantinas, ...

Geochemical evidence from laboratory experiments for a potential solid inner core at the center of Mars is reported in Nature Communications. Data from NASA's InSight mission has revealed that Mars ...

A new study claims that a mineral found in Mars' dust called ferrihydrite, which forms in the presence of cool water, is ...

Mars’s red dust may contain ferrihydrite, an iron mineral that forms in water. This suggests ancient Mars had water for ...

With new data coming in from Mars, scientists have a new theory about why the planet is red. What does this mean for whether ...

Martian dust is mostly rust. Mars’s famed color has captivated humankind for centuries, earning its nickname of the ‘Red ...

A new study in the journal Nature Communications reveals that Mars is red for very much the same reason it may have once been home to life — namely, that it was a wet planet. This is in line with ...

Ferrihydrite, a water-rich iron mineral, plays an important role in giving the red planet its signature hue, according to the ...

For centuries, the Red Planet’s signature hue has fascinated scientists, but the real reason behind its color may be ...

NASA's Europa Clipper will fly past Mars today to adjust its trajectory and position itself for a critical phase of its ...