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

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

Investigating megabreccia, Perseverance seeks to unravel Mars's deep history, focusing on ancient rocks that may reveal clues ...

A new study co-authored by Texas A&M University geologist Dr. Michael Tice has revealed potential chemical signatures of ...

Until recently, we could only study geology by looking at rocks on Earth and the Moon —well, and the rare meteor or two that ...

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

Natural geologic processes at Mars' Oxia Planum may improve the Rosalind Franklin rover's chances of detecting organic compounds.

This week, NASA announced findings of potential biosignatures on Mars. Does that mean there's proof that there was once life ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars may have potentially been ...

Mars’ Jezero Crater holds signs of ancient water and strange mineral reactions, some linked with organic compounds. With ...

Volcanic activity may have given rise to life on Mars, say researchers, investigating how an early greenhouse effect on the ...