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

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

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

These studies show that Mars is bombarded by meteorites far more often than previously thought — about 2.5 times more ...

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

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.

Sometimes scientists must dig and work and sweat to make scientific discoveries. And sometimes a robot rolls over a rock that ...

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