With a radius of 2,106 miles, Mars is the seventh largest planet in our solar system and about half the diameter of Earth. Its surface gravity is 37.5 percent of Earth’s. Mars rotates on its ...

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

"The surface of today represents the preserved ... They take their vacations once each Martian year (every two Earth years) when Mars is on the opposite side of the sun from the Earth.

Curiosity found large organic molecules in a 2013 Mars rock sample. These fragments suggest Mars had the right chemistry for ...

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

Together, these factors emphasize the importance of studying Mars’ ancient hydrothermal activity to better understand its surface hydrology ... above by The Brighter Side of News.

Although the celestial body is located 140 million miles away from Earth ... Mars,” said Valantinas. But, because ferrihydrite could only have formed when water was still present on the surface ...

On the young side of ... under the surface today. Today the hot topics focus on when water appeared, how much was there, and how long it lasted. Perhaps the most burning of all Mars water-related ...