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.

Could Martian mudstones be holding evidence of ancient microbes? New findings strengthen the case that the Red Planet once ...

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

An international team of scientists has identified a completely new type of rock from the red planet and, for the first time, ...

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’ ...

NASA just declared its MAVEN Mars orbiter dead after a dozen productive years circling the Red Planet. Here's the fate that awaits the probe.

Scientists revealed Wednesday that Mars' innermost core appears to be a solid hunk of metal just like Earth's. The Chinese-led research team based their findings on seismic readings from NASA's ...

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 ...

NASA's MAVEN Mars mission ended after 11 years, having revealed how the planet lost its atmosphere and served as a key ...

Humans have a tendency to slap more or less appropriate nicknames on everything around them, and planets are no exception. Mars, for instance, the focus of so many dreamers, is also called the Red ...

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 ...