The gorges span about 2,500 miles and cut up to 4.3 miles into the red planet’s surface ... Its core is likely made of iron and nickel, like Earth’s, but probably contains more sulfur than ...

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" that splits the Red Planet into two distinct halves. Recordings of ...

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 ...

NASA's Perseverance Mars rover found a 'one-of-a-kind treasure' on the rim of Jezero Crater, a rock that could help reveal ...

Here’s everything you need to know about Mars in retrograde in 2022—what it is, why it happens and the key dates you should be outside looking up to see the the red planet at its glorious best.

Aside from Earth, no planet in the solar system captures our imagination quite like Mars. The Red Planet is one of the ... if and when we send humans to set up a Martian base.

On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest ... though being so close to the sun can make them difficult to see. Some observers in the ...