Since Saturday night, unhealthy levels of hydrogen sulfide have been recorded, especially at the one set up at Berry Elementary, located no more than half a mile from the river.

But because they penetrate more slowly and even more shallowly than AHAs, they typically cause less irritation and are often ...

A study led by the University of Oxford has identified a new type of planet beyond our solar system—one that stores large amounts of sulfur deep within a permanent ocean of magma. The findings have ...