Deep oceans of magma once sloshed about inside the crust of Mars, seismic measurements taken by NASA's InSight mission ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

The reason why Mars is called the Red Planet is because of its reddish appearance when seen from space and Earth. Mars is red due to iron oxide commonly known as rust. The reddish appearance created ...

Mars wasn't always the cold desert we see today. There's increasing evidence that water once flowed on the red planet's surface, billions of years ago. And if there was water, there must also have ...

When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a better candidate for human ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Data from a retired ...

Of the more than 74,000 known meteorites – rocks that fall to Earth from asteroids or planets colliding together – only 385 or so stones came from the planet Mars. It’s not that hard for scientists to ...

Google expanded its online mapping service to a third celestial body last week with ASU's help. Programmers from ASU's Mars Space Flight Facility worked with the search engine to load composite images ...

Of the more than 74,000 known meteorites – rocks that fall to Earth from asteroids or planets colliding together – only 385 or so stones came from the planet Mars. It’s not that hard for scientists to ...