Scientists have long sought to explain a key mismatch in Earth's early history: oxygen-producing photosynthesis evolved ...

Gareth Dorrian does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Bright white rocks. Scattered across the rusty red plains of Mars. NASA’s Perseverance rover spotted them in Jezero crater, and the scientists have been staring at them ever since, intrigued by their ...

Kaolinite rocks on Mars’ surface hint at a rain-heavy climate billions of years ago. (Photo provided by NASA) The Perseverance rover has come across light-toned rocks at Jezero Crater. These ...

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These aluminum-rich clays, called kaolinite, usually form on Earth only after millions ...

Scientists suspect that the surface of Mars was once teeming with water, a lush oasis full of river systems and lakes — until a dramatic change in the planet’s magnetic field caused it to lose most of ...

NASA’s Perseverance rover discovered white kaolinite clay rocks on Mars. (Image: NASA) NASA’s Perseverance rover discovered white kaolinite clay rocks on Mars. These light-coloured fragments suggest ...

That Mars once hosted water is now old news, but have you ever imagined the Red Planet drenched in tropical storms? NASA’s Perseverance rover has discovered light-colored rocks tossed about its ...

WEST LAFAYETTE, Ind. — Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of the small planet may have once supported wet oases ...

The kaolinite fragments, which range from pebbles to boulders, are the latest small pieces to the larger debate regarding Mars' climate billions of years ago. Initial examinations by the Mars rover's ...