Mars, often seen as a barren and lifeless world, was not always the desolate planet we know today. New research has uncovered ...

For years, scientists have debated how long Mars could have supported life. While it’s been well-established that the planet ...

New data is challenging what scientists previously knew about one of the youngest geological features on the Red Planet. That feature is Athabasca Valles, a system of valleys carved into volcanic ...

A simulated view of Mars as it would be seen from the Mars Global Surveyor spacecraft (Unsplash via NASA) (CN) — Scientists have discovered the longest organic molecules ever found on Mars — carbon ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...

Frigid water helped paint Mars red and may have shaped a vast coastline, two new studies into the planet’s history reveal. Scientists have detected a possible ancient beach in Mars’ northern ...

Mars' single-plate surface, unlike Earth's active plate tectonics, allows for preservation of its mantle's early internal history, providing insights into rocky planet formation and evolution.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. More than 15,000 ...