NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

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Records show that the capital was destroyed by ash and the locals could definitely point out the copious ash deposits all around the area ... Hutchinson and others' choice for the most probable source ...

A specific kind of sulfur existing under a very specific set ... further concentrate the gold in veins and clusters, forming a deposit that can be mined. "On all of the continents around the ...

Approximately 66 million years ago, the Chicxulub asteroid, estimated to be 10–15 kilometers in diameter, struck the Yucatán Peninsula (in current-day Mexico), creating a 200-kilometer-wide ...

Atomic number 15, atomic weight 30.9738. Sulfur (S): Sulfur is a nonmetallic element found mainly in volcanic and sedimentary deposits. Sulfur, in the form of iron sulfide, can cause steel to be ...