The Curiosity rover has found something surprising: rocks made of pure sulfur.… NASA revealed the find in a post last week, recounting how the rover was trundling up the Gediz Vallis channel ...

This is the first instance of finding sulfur on the Red Planet in its pure, elemental form. Although scientists previously suspected that the surface of Mars was dotted with sulfuric rocks ...

They employ a technique that uses ceramic pipes to condense the volcanic gas into an amber liquid that dries to form large stalagmites of pure, yellow sulfur. Dozens of miners hack them into ...

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 ...