A new study suggests the iron oxide responsible for the red planet's distinctive hue is ferrihydrite, pointing to the bygone ...

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

Mars is widely known for its iconic rusty red color — many people even refer to it as just the "Red Planet" — but new ...

China's Zhurong rover has found evidence of an ancient shoreline buried deep beneath the planet. That could point to an ocean ...

For decades, scientists believed that Mars’ red color came from hematite, a type of iron oxide that forms under dry ...

Results from a new study show that the water-rich iron mineral ferrihydrite may be the main pigment behind Mars’ reddish dust ...

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 ...

New findings provide evidence that Mars may have had a vast ocean around 3.5 to 4 billion years ago. During this period, the ...

Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune will all be visible in the night sky this Friday for a short window ...

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

Mars’s signature red hue may not be due to hematite, as previously believed, but rather to ferrihydrite — an iron oxide that ...