Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Perseverance rover has captured new ...

NASA's Perseverance Mars rover took this selfie looking down at one of 10 sample tubes deposited at the sample depot it created in an area nicknamed Three Forks. This image was taken by the WATSON ...

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly alkaline ones. Perseverance’s discoveries guide future sampling and strengthen ...

Scientists believe these rocks were formed by ancient rainfall and humidity, similar to processes on Earth. The discovery adds to the evidence that Mars may have once been a habitable planet capable ...