By combining observations from space and experiments on Earth, scientists rethink the red planet's history and why it's red.

A study suggests Mars takes its red hue from a type of mineral that forms in cool water, which could reveal insights about ...

The Red Planet, as it’s often called, has a distinct hue, and a new theory about this coloration could have implications for ...

Thanks to new research techniques published today, scientists say that "our understanding of why Mars is red has been ...

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

Mars – dusty, dry, and desert-clad – was once so rich in water it had not just lakes, but oceans, according to a new study.

It seems Mars is another such chromatic case. Until recently, scientists had theories which would explain the planet’s ...

A new study shows a water-rich mineral could explain the planet's color -- and hint at its wetter, more habitable past.

Mars has captivated scientists and the public alike for centuries. One of the biggest reasons is the planet’s reddish hue, ...

A new study has found evidence that Mars's red color may not be caused by the mechanism scientists once thought. The ...

Mars has been red for millions of years longer than previously thought, suggests new research. The study has "transformed" ...