On13, NASA launched the MAVEN spacecraft to Mars. The name MAVEN stands for Mars Atmosphere and Volatile EvolutioN. The ...

Artist's rendering of a solar storm hitting Mars and stripping ions from the planet's upper atmosphere. Mars' atmosphere, once as thick as if not thicker than Earth's today, is leaking into space. "We ...

Mars, long considered largely static, has revealed a dynamic interior in recent years. NASA’s InSight mission detected ...

Mars' missing atmosphere may be locked up in the planet's clay-rich surface, a new study by MIT geologists has suggested. According to the researchers, ancient water trickling through Mars' rocks ...

A key tracer used to estimate how much atmosphere Mars lost can change depending on the time of day and the surface temperature on the Red Planet, according to new observations by NASA-funded ...

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for liquid water to exist on the planet’s surface, billions of years ago. Today, ...

Mars was once rich with flowing water. Today, it's a cold, dusty desert marked by dried riverbeds and empty lake basins. Traces of ancient streams wind across its surface, hinting at a time when water ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, researchers think they have a good explanation for a warmer, ...

Humans couldn't survive outdoors on Mars for a number of reasons, including its extremely low temperatures. Scientists are studying ways to terraform the planet to make it more hospitable. NASA / JPL ...

"It's really been a one of a kind event." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mars' atmosphere, once as thick as if not thicker than ...