Freya Castle looks quite unlike any rock seen on Mars before. But Perseverance could not stick around at Freya Castle to examine it for long before continuing its journey up the inner wall of the ...

After seeing the unusual Freya Castle from afar on Sept. 13, scientists took higher-resolution photos to get a better look before the rover drove away. The closeups show that the rock, about eight ...

Freya Castle measures roughly 8 inches (20 centimeters) across. The zebra rock is loose and different from the underlying bedrock, suggesting it originated from somewhere else, ...

If you haven't taken the time to look at a cool rock today, don't sweat it: we've got you covered. In fact, this particular rock may even be one of a kind. It was discovered by NASA's Perseverance ...

NASA’s Perseverance rover has uncovered an intriguing black-and-white striped rock on Mars, dubbed “Freya Castle,” raising hopes about the planet’s ancient habitability.

Perseverance rover's discovery of a distinctive striped rock called 'Freya Castle' on Mars has captivated scientists and the public. The rock's unusual features indicate it may originate from a ...

Freya Castle isn't the only weird rock that Perseverance has found this year at the crater. Earlier this summer, the probe chanced upon an arrow-shaped slab with tiny "leopard spots" that could ...

Nasa's Perseverance rover has made plenty of discoveries since it first touched down on Mars three years ago, but its latest find has really surprised scientists.