A new image captured by the Mars Express orbiter offers a striking view of one of the most heavily cratered regions on Mars. The image shows part of Arabia Terra, a vast plain located in the planet’s ...

Spiderweb-shaped rock patterns on Mars may rewrite the timeline of when water disappeared from the Red Planet.

Tests conducted with tardigrades suggest that there is something in Martian dirt that dramatically reduces biological ...

For decades, scientists have debated whether Mars once had a large ocean. Images from orbiters have shown valleys, channels ...

Asteroid impacts may catapult life from one planet to another, as new research claims that hardy bacteria can survive the ...

NASA’s Curiosity rover has spent roughly six months exploring a geological feature on Mars known as boxwork: a vast network of low rock ridges, about 3–6 feet (1–2 meters) tall, crisscrossing the ...

NASA’s Curiosity rover has spent about six months studying unusual geological formations called boxwork — a network of low ridges about 3–6 feet tall that crisscross the Martian surface for miles, ...

NASA’s Curiosity rover has discovered tiny mineral nodules on Mars that suggest groundwater persisted on the planet much longer than previously believed, expanding the window during which microbial ...

Craters, craters, and yet more craters: this snapshot from ESA's Mars Express is packed full of them, each as fascinating as ...

By fertilizing inorganic regolith with organic human waste that has been processed through bioreactors, future astronauts ...