Mars has fascinated scientists for decades, particularly its intriguing gullies etched into the sandy dunes of theRed Planet.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If humanity ever makes it to constructing the first permanent ...

We underappreciate roads. When you think about it, the concept of a flat, paved lane for travel might just be the single most important human invention in history. Irrigation and electricity are all ...

A giant collision in Mars’ early history created a global magma ocean and buried large fragments of debris deep within the young planet. As Mars cooled, it formed a solid crust — eventually becoming a ...

A road trip has begun on Mars. NASA’s Perseverance rover, which has been roaming the red planet since 2021, has embarked on a long trek to the top of the crater in which it landed, the space agency ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The NASA Curiosity ...