Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...

A recent study of data from multiple missions shows the Red Planet may get its name from an iron mineral that formed when ...

Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.

Mars has fascinated people for centuries, not only because it is our closest neighbor in space but also because of its ...

Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis.

Elon Musk boldly claimed he could land humans on Mars "as soon as 2029." "Starship departs for Mars at the end of next year, ...

Electrolysis has been a mainstay of crewed mission designs for the outer solar system for decades. It is the most commonly ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

NASA’s Perseverance rover has uncovered high-purity quartz crystals on Mars, a discovery that could reshape the search for ...

Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s but it was stopped because of ...