Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

Upon further inspection, it was discovered that these rocks were actually crystals of pure elemental sulfur, something that ...

NASA’s Curiosity rover has uncovered intriguing traces of sulfur crystals embedded in Martian rock formations, adding weight ...

Curiosity rover cracked open a Martian rock, revealing a sight never before seen on Mars - a dazzling display of yellow ...

The efforts made by humans to learn as much as possible about Mars are numerous, and NASA has an indispensable ally on the ...

Is there life on Mars? When curiosity breaks through a rock, it reveals this within. Sulfur crystals were discovered on the ...

The Curiosity rover, while exploring the bed of an ancient Martian river, encountered a rock whose ordinary exterior hides an unexpected treasure: pure sulfur. This discovery, which surprised ...