NASA's Curiosity rover made a compelling find on Mars' irradiated surface. The car-sized robot's molecule-sleuthing ...

But first thing's first, weird spheres on Mars aren't a brand new phenomenon. In fact, NASA first stumbled across them 21 ...

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

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

A team of scientists just discovered the longest organic molecules yet seen on Mars, the fourth planet from the Sun and and a ...

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

Curiosity has previously discovered small organic molecules on Mars, but these recently found compounds are larger and would ...

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) ...

Scientists have found unusual, blueberry-like rocks on Mars that could give us more insights into its geological history.

which operated on the surface of the red planet between 2018 and 2022. SEIS was the first ever seismometer to operate on Mars, and it was sensitive to three different types of seismic wave ...

For the first time on a global scale, 20 years of observations on Mars have been condensed into a single study led by ...

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...