For centuries – maybe millennia – humans have wondered how Mars gets its red hue, but a recent study has some answers.

For centuries, Mars has captivated scientists and the public alike with its striking red hue. Early astronomers speculated that the planet’s color came from iron-rich minerals, much like rust on Earth ...

Mars changed from a blue world with water to a red desert because its atmosphere escaped into space over billions of years.

In a recent study, Dr. Janice Bishop of the SETI Institute, along with postdoctoral researcher Adomas Valantinas from Brown University, propose that Mars' characteristic red hue is primarily due to ...

Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a frozen desert where even a thin wisp of air struggles to hold on. NASA’s ...

If you spied a fiery red star close to the full moon earlier this month, it was actually Mars shining its bright red light in the night sky. The planet will be visible at night throughout October, ...