The big question will be whether or not scientists can demonstrate that greigite and vivianite need biological life to form.

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

NASA's search for evidence of past life on Mars just produced an exciting update. On Sept. 10, 2025, a team of scientists published a paper ...

If you’ve ever wanted to write your name across the stars, now’s your chance. Until Jan. 21, 2026 you can add your name to a ...

After a year of scientific scrutiny, a rock sample collected by the Perseverance rover has been confirmed to contain a potential biosignature. The sample is the best candidate so far to provide ...

The small asteroid, located in the main belt between Mars and Jupiter, was visited by Lucy on April 20, 2025, during a ...

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

A mudstone core drilled from the Jezero Crater has revealed unusual minerals and textures that, on Earth, are often linked to microbial activity.