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 ...

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

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 ...

NASA’s new ESCAPADE mission is set to uncover the mysteries of Mars’ atmospheric loss, offering crucial insights into how the ...

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

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 ...

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 ...

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

Sara Novak is a science journalist and contributing writer for Discover Magazine, who covers new scientific research on the climate, mental health, and paleontology. View Full Profile. Volcanic ...

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

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.