NASA's Curiosity rover has encountered patches of sharp “gator-back” rocks causing mission planners to look for a new route ...

A decade-old image from NASA’s Curiosity rover has gone viral, suggesting a mushroom-like object on Mars. While UFO ...

Radio signals sent between two Mars orbiters—rather than between an orbiter and an Earth-based receiver—capture new insights into atmospheric dynamics.

The Perseverance rover finds a mysterious black rock on Mars, “Skull Hill,” which intrigues scientists because of its ...

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often ...

Jezero Crater, once a lake bed some 3.5 billion years ago, has become the focus of NASA’s search for signs of past life. It’s ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

The planet Mars is home to thick layers of clay that can span hundreds of feet. Since they need water to form, these outcrops ...

The image, captured by NASA ’s Mars Odyssey orbiter, is the first of its kind: a volcano on the Red Planet seen on the ...

Starting around 9 p.m., look to the western sky for Mars. The bright star Regulus, in the constellation Leo, will help guide you—Mars will appear about a degree away, roughly the width of your ...