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

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

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

The red planet, Mars, has long captured the imagination of scientists, dreamers, and space enthusiasts alike. With its stark ...

Curiosity rover cracked open a Martian rock, revealing a sight never before seen on Mars - a dazzling display of yellow ...

Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.

“The major implication is that because ferrihydrite could only have formed when water was still present on the surface, Mars rusted earlier than we previously thought. Moreover, the ferrihydrite ...

Multiple spacecraft have captured observations that suggest much of Mars’ water escaped to space as the planet’s atmosphere disappeared — astronomers are still investigating what caused this ...

But iron oxides come in many flavors, and the exact chemistry of Martian rust has been intensely debated, the study reports. Because of the absence of liquid water on Mars’ surface today ...

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.

The color red and the planet Mars go together like Earth and its oceans or Saturn and its rings. However, our understanding of how the Red Planet got its signature hue might be wrong. A new ...