Have an out of this world coloring pages with our free planet coloring pages. We have a bonus space coloring pages, and free coloring sheets for the sun and moon as well!

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient connection between the planet Mars and blood wasn’t completely wrong. Rust, ...

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

We might be wrong about the color of Mars, scientists say Red dust has blown around the planet for billions of years, leading to its iconic hue ...

For the study, the researchers used a combination of data obtained from Mars orbiters and laboratory experiments to ascertain the iron oxide mineral that is responsible for Mars’ red color and what ...

Researchers claim in a new study that they know why Mars is red and it may show that the inhospitable planet was once habitable.

“The fundamental question of why Mars is red has been considered for hundreds if not for thousands of years,” Adam Valantinas, a postdoctoral fellow at Brown University, declared.

Researchers at New York University Abu Dhabi have created a Mars atlas that could help us land safely on the planet.

New research is revealing similarities between Earth's Grand Canyon and ones on the red planet. It's informing future Martian exploration and settlement plans.

So in a way, the ancient connection between the planet Mars and blood wasn’t completely wrong. Rust, which is a common form of iron oxide found here on Earth, also often has a reddish color.