Mars just dropped a surprise golden nugget —literally. Curiosity accidentally cracked open an ordinary-looking rock, only to ...

Sulfur-deficient corn plants show delayed growth and maturity. The foliage turns light green to yellow and has a distinct striping on the leaves. “This happens in the upper leaves because sulfur ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

By understanding the nature of sulfur and its role in plant growth, you can ensure your plants are never starved for this essential nutrient. Characterized by its bright yellow color, sulfur can ...

Yellow sulfur crystals spilled out from the inside. This is the first instance of finding sulfur on the Red Planet in its pure, elemental form. Although scientists previously suspected that the ...

Water sprayed on the underside of the belt cools the sulfur, which solidifies into little yellow bits that look like lemon drops. In fact, these little nubbins of sulfur are called “pastilles ...