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

The planet Mars is home to many wonders waiting to be discovered by humans in the coming years. Experts recently discovered ...

Do you know why there are no earthquakes on Mars? It’s because they’re called “marsquakes” (sorry).

Due to extreme temperatures and the dryness of Mars, it's thought to be impossible for liquid water to form on the planet's surface, a critical precondition for habitability. The only hope of finding ...

Human colonization may still be a way off, but NASA has been exploring Mars with a series of ever-larger mobile science labs.

For more than twenty years, the Mars Express orbiter has studied the Red Planet and remains the European Space Agency's (ESA) only operational mission. In that time, it has provided the most complete ...

Making Mars Earthlike is not impossible in principle, but the scale of mass, heat, oxygen, and energy required makes it far beyond current capability.

The redemption of Viking: Did the 50-year-old mission to Mars find life or not? How NASA’s 1975 mission to Mars led to decades of scientific controversy and confusion over the existence of life on ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...