For good reason, Mars has earned the nickname the Red Planet: Its ruddy color comes from high levels of oxidized iron, the same crusty stuff people observe on old, corroded metal. But a new mosaic ...

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.

NASA’s Psyche spacecraft is currently en route to a small, metal-rich asteroid near Jupiter. However, the barely 3,600-pound ...

Perseverance captured the composite image using 61 individual snapshots taken by the camera mounted at the end of its robotic ...

A new study suggests that Mars’s red colour is better matched by iron oxides containing water, known as ferrihydrite. Everyone knows Mars is the “red planet,” but a new study is reshaping scientists’ ...

On Jan. 15, Mars will reach a point in its orbit that astronomers call opposition. That evening, Mars will lie opposite the Sun from our perspective. It will rise at sunset, reach its highest point at ...

The organic molecules discovered by NASA’s Curiosity rover could have been formed by life, but they could have also come from geologic processes or meteorites ...

A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to ...

Using syrup and baking soda, research has demonstrated the formation mechanism of rootless cones, small volcanic landforms commonly found on Earth and Mars. The study clarified, through an ...