As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked ...

N ew research suggests that temperatures on ancient Mars may have fluctuated between hot and cold periods through a relatively short period during its lifetime of billions of years. But these hot ...

On Mars, where the atmosphere is too thin to trap much heat, plate tectonics are fairly primitive, and the air is almost always very, very cold, the distribution of ice is determined by the planet ...

On Mars, where there’s little water vapor and few air molecules, a person wouldn’t feel as cold. “Minus 100 degrees on Mars might only feel like minus 30,” he said.

Sheel and his team found that when the atmosphere of Mars is laden with dust, the atmosphere becomes less conductive, ...

Scientists have long puzzled over just how Mars went from a warm and wet environment to the cold and arid planet depicted in the movie “The Martian.” Now, they appear to have the answer.

“And it was probably relatively late in Mars’ history.” Ackiss’ team hopes their findings can be used as a reference point for other regions on Mars with a volcanic history. If researchers could find ...

This cold is out of this world. New Hampshire’s Mount Washington felt more like Mars than planet Earth on Friday as wind chills dipped below an unfathomable minus 110 degrees, a new record for ...

On Mars, where there’s little water vapor and few air molecules, a person wouldn’t feel as cold. 'Minus 100 degrees on Mars might only feel like minus 30,' he said.

Mars is severely lacking in flowing water -- one of the critical elements for life to thrive -- and the current scientific consensus is the red planet doesn't contain multitudes because it is so dry.

Mars' gullies are different than the RSL, but, according to Nunez, some researchers had thought that liquid water might also be the mechanism forming the gullies. However, he noted that the "main ...

Mars may be a dry and arid planet today, but scientists know that Earth's neighbor was much wetter and much more like our planet in its ancient past.. These new findings from a team of researchers ...