Scientists provided an update Thursday on the chances of an eruption of the Mount Spurr volcano in Alaska, a situation being ...

It is a big factor in the production of chlorophyll, which is why sulfur-deficient plants turn yellow. “Most importantly, sulfur is required to metabolize nitrogen. If a tissue test shows plants ...

When the rover rolled its 899-kilogram (1,982-pound) body over the rock in May last year, the rock broke open, revealing ...

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 ...

Yellow dust particles have uneven surfaces and collect harmful substances like nitrogen oxides and sulfur oxides when passing over China's coastal industrial areas. Kazunari Onishi, an associate ...

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 ...