Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

If Mars becomes a human colony is anyone’s guess. Musk said 2016 that it would take 40 to 100 years to have a self-sustaining civilization on the planet. While Mars is quite barren, dusty, and chilly, ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

Mars has been born afresh in the human mind with each exploratory thrust. Now it was happening again under the astonished gaze of Ken Edgett as he sat at his computer, tucked away in a leafy ...

Musk—who has a history of setting unrealized goals for his companies—says he wants to send humans to Mars by 2029, though he ...

For example, it’s a dusty red color. But, new research from the European Space Agency is challenging humanity’s understanding of why Mars is called the Red Planet. “Mars is still the Red Planet.

They touched down on opposite sides of Mars, at two very different sites. From space, Spirit's landing spot in Gusev crater looked like a perfect place to find old lake sediments. The 95-mile-wide ...

Nine months in space can permanently alter the body, leaving astronauts with possible long-term health effects.

And Musk's focus on Mars as the next destination for humanity after low Earth orbit should come as no surprise; the billionaire has long had the Red Planet in his sights. In a December X post, for ...

Jupiter has the most moons in our solar system, 95 of which we know. Mars has the tallest volcano in the solar system, Olympus Mons: 13 miles high — nearly three times the height of Mount Everest.

The highest mountain… is on Mars! Olympus Mons is the tallest mountain in our solar system, standing at roughly 13 miles high. It’s about two and a half times Mount Everest's height above sea ...

Returning to Earth after spending weeks or months in space is no easy feat for astronauts. While space travel is an incredible experience, the journey back to Earth's gravity brings several physical ...