Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

Add Yahoo as a preferred source to see more of our stories on Google. Mars has shone red in the night sky for as long as humans have gazed up at the cosmos, fascinating people from the ancient Romans ...

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

Mars' distinctive red color comes from the mineral ferrihydrite, which only forms in the presence of cool water, a new study claims. Ferrihydrite also forms at a lower temperature than other minerals ...

The Red Planet, as it’s often called, has a distinct hue, and a new theory about this coloration could have implications for our understanding of Mars' evolution. Reading time 2 minutes The fourth ...

NASA’s Perseverance rover has detected complex molecules of carbon on the surface of Mars. These compounds, known as ...

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 ...

I set the New Scientist Book Club something of a challenge in April: make your way through the 600-plus pages of Red Mars, Kim Stanley Robinson’s doorstopper of a novel, in just 30 days, and then tell ...

We all know Mars is called “The Red Planet,” but have you ever stopped to wonder—why is it red? The classic joke explanation has been, “It’s rusty.” While that’s not entirely wrong, the truth is far ...

We’ve always known Mars as the Red Planet — but it turns out, we may have had the reason why wrong. If so, it could revise much of what we know about the history of our smaller neighbor planet. In a ...

Mars has shone red in the night sky for as long as humans have gazed up at the cosmos, fascinating people from the ancient Romans to the present day. "The fundamental question of why Mars is red has ...