Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

Jezero Crater has become one of the most exciting places in the search for signs of past life on Mars. Since landing in 2021, ...

In fairness to the Perseverance rover, this is exactly what it was built for. Nicknamed Percy, the machine was sent to Jezero ...

“This finding by Perseverance …is the closest we have ever come to discovering life on Mars,” said acting NASA administrator ...

Rovers explore distant planets for decades, where humans can't yet go. Here's how NASA sends updates to these rovers from miles away to keep them running.

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...

NASA published tantalizing evidence that the red planet once harbored life. But Trump’s proposed budget could leave the ...

As NASA's Perseverance rover, a car-sized robotic explorer, looks for signs of possible ancient life on Mars, it has stumbled ...

Prize: NASA could offer a prize—say $3 billion to the first company and $1 billion to a second company—for delivering ...

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Here's what we know.