"Elsewhere on Mars, rocks like these are probably some of the most important outcrops we've seen from orbit because they are just so hard to form," Horgan said. "You need so much water that we think ...

Mars, once a much wetter and more dynamic planet, is now a dry and inhospitable desert. The mystery of how the red planet lost its water has fascinated scientists for decades. A groundbreaking study ...

What can dust devils on Mars teach scientists about the Red Planet’s weather and climate cycles? This is what a recent study published in Science Advances hopes to address as a team of scientists ...

Mars' north pole contains a large ice cap made up of many layers of frozen water. Like ice cores on Earth, those layers offer a tantalizing record of climate on Mars over the past several million ...

How did Mars maintain surface liquid water billions of years ago? This is what a recent study published in AGU Advances hopes to address as a team of researchers from the United States and Canada ...

Research shows Mars' gravitational pull affects Earth's deep-sea currents and climate, causing warming cycles every 2.4 ...

Four papers in the journal Science this week offer new details about the history of water on Mars, gleaned from the 2008 NASA Phoenix Mars Mission that was operated from The University of Arizona.