Their discovery showed that even tucked away in our innards – in the walls of our stomachs, subjected to vinegar-like pH ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

NASA's Perseverance rover, which has been exploring Mars since 2021, fired its laser at some oddly pale rocks on the surface ...

A new method to detect life in ancient rocks could help analyze Mars samples and determine if life once existed on the red ...

Scientists may finally have a way to detect ancient life on Mars by studying microbial fossils preserved in sulfate minerals.

The redness of Mars has made the planet one of the most recognizable in the solar system with its hue serving as a topic of ...

Planetary scientists in Algeria and Switzerland have developed a scientific instrument that could help hunt for signs of life ...

Kaolinite is a soft, earthy, usually white, mineral produced by the chemical weathering of aluminium silicate minerals like ...

Ferrihydrite, a water-rich iron mineral, plays an important role in giving the red planet its signature hue, according to the ...

The most significant change since those 1970's experiments were conducted was the discovery of high levels of perchlorate on Mars. Perchlorate, plus abiotic oxidants, explains the Viking results and ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the rock in ...