Mars

Valleys on Mars suggest the Red Planet was once covered in flowing water — but it's still a mystery how that could have been.

Using NASA's Perseverance rover to analyze Martian rocks, researchers suggest that Mars' complex volcanism might hold clues about the planet's ancient habitability.

The European Space Agency just released some new snapshots from its Mars Express orbiter that detail the dynamic terrain of the Red Planet's Acheron Fossae region.

NASA's next Mars chopper concept could do far more than fly — it could help unlock the planet's watery past, reveal signs of life and scout landing zones for astronauts.

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical signatures of past life, if it ever existed.

The Mars water debate continues. A team of scientists suggests vast oceans of water may not be locked within the Red Planet's crust, despite InSight lander data.

If you have an otherworldly knack for picking the winners of college basketball games, you could get a free ride to Mars on SpaceX's Starship megarocket.

Researchers examining seismic data recorded on Mars say the have found evidence supporting the presence of liquid water deep inside the Red Planet.

Europe's HERA mission has taken a good look at Mars and its moon Deimos on its way to explore the aftermath of the DART impact in the Didymos–Dimorphos asteroid system.

Organisms known as extremophiles have been found inhabiting a range of extreme conditions on Earth, including inside our bodies. Could they be on Mars, too?