NASA’s Curiosity rover has delivered its most striking find in over a decade on Mars—close-up images of criss-crossing, spiderweb-like rock patterns on the slopes of Mount Sharp inside Gale Crater.

Of the more than 74,000 known meteorites – rocks that fall to Earth from asteroids or planets colliding together – only 385 or so stones came from the planet Mars. It’s not that hard for scientists to ...

NASA scientists have uncovered massive fragments of ancient planetary collisions buried deep within Mars’ mantle, shedding light on the planet’s tumultuous early history. Preserved for over four ...