An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...

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

While the car-sized spacecraft flew around the Mars system, flight controllers on Earth temporarily lost communication with ...

After over 11 years of exploring the harsh Martian landscape, NASA’s Curiosity Rover is showing visible signs of wear and ...

Images from the Hera mission show the object in remarkable detail — a small island gliding above the crater-scarred Martian ...

NASA’s Perseverance rover found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.

The discovery of pale, loose rocks on the Martian surface could suggest that Mars was once a much warmer world.

Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...