For decades, scientists treated Martian dust storms as mostly mechanical events, driven by wind and sunlight rather than ...

Electrical sparks inside Martian dust devils have been detected for the first time, reshaping how scientists understand the ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

Mars just gave up one of its oldest secrets — and it took a decade, a spacecraft, and a cosmic cannonball to catch it in the act. For the first time, NASA’s MAVEN mission has directly observed a ...

NASA’s veteran Mars orbiter MAVEN has slipped into an unnerving quiet, cutting off a decade of continuous atmospheric ...

Mars changed from a blue world with water to a red desert because its atmosphere escaped into space over billions of years.

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’s atmosphere may have once been hundreds of times thicker than it is today, acting as a blanket that protected it from frequent asteroids that ravaged other planets. While the sun and most ...

It's not entirely clear how neighboring planet Mars went from a presumably life-supporting planet to a place as dead as all others in the solar system. We do know, however, that whatever water and ...

Envision a time when hundreds of spacecraft are exploring the solar system and beyond. That’s the future that NASA’s ESCAPADE, or Escape and Plasma Acceleration and Dynamics Explorers, mission will ...