Add Yahoo as a preferred source to see more of our stories on Google. Amid the mundane pebbly terrain of Mars' surface, NASA's Perseverance rover recently spotted something remarkable: a strange, ...

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

After landing in February 2021, Perseverance has spent the ensuing years scouring the Martian soil and rocks for evidence that the planet was once habitable. The rover has so far spent about two ...

NASA is about to lock in a verdict on how long its Perseverance rover can keep working on Mars, and the answer will shape the next decade of planetary exploration. Engineers have spent the past year ...