NASA’s Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock. This finding is considered a significant scientific breakthrough, as pure ...

Last year, the Curiosity rover basically fell into a discovery of sulfur on Mars. "Finding a field of stones made of pure sulfur is like finding an oasis in the desert," said Ashwin Vasavada ...

Sulfur is another element. It contains only sulfur atoms, and nothing else, so it is pure. When we mix two different pure substances together, like this, it’s a mixture. This is now a mixture of ...