Solar wind washes over the planets, but it briefly disappeared at Mars due to an event on the sun. Mars's atmosphere temporarily expanded by thousands of kilometers. NASA's MAVEN orbiter observed the ...

The sudden silence of a veteran Mars spacecraft has turned a routine comet flyby into one of the most intriguing space ...

Summary: Time doesn’t flow uniformly across the solar system, and new research reveals just how differently it unfolds on Mars compared with Earth. By tracing subtle gravitational and orbital ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

While we earthlings prepare for a rare total solar eclipse that will pass over North America, Mars had one of its own earlier this year. A timelapse of photos taken by NASA's Perseverance rover Feb. 8 ...

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

The idea that Mars could affect Earth’s climate sounds dramatic, since climate change is usually linked to cars, factories, ...

Take a trip through the maze-like valleys and canyons of a unique place in the solar system: Mars' 'labyrinth of night.' When you purchase through links on our site, we may earn an affiliate ...

A new design for a nuclear-powered rocket could be the key to making the solar system more accessible. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars. When you purchase through links on our site, we may earn an affiliate commission.

The spacecraft landed in 2019 to study the deep interior of the planet. NASA is being forced to end its Mars lander mission early because of dust. Officials announced Tuesday the InSight spacecraft is ...