The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will be headed when it launches in 2028 in search of past life on Mars. It now ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

“Mars Sample Return will allow scientists to understand the planet’s geological history and the evolution of climate on this barren planet where life may have existed in the past and shed ...

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will be headed when it launches in 2028 in search of past life on Mars.

These tubes might contain tantalizing clues about past life on Mars, but NASA's ever-changing plans to bring them back to Earth are still unclear. On Tuesday, NASA officials presented two options ...

The longer water existed on Mars’ surface, the more opportunities potential life could have had to evolve and inhabit the red world, Claire Mondro, a planetary geologist at the California ...