In the constellation Cygnus, a bright knot of stars seems to adorn one edge of a nearly perfect 20-light-year-wide circle, earning the structure the nickname "Diamond Ring." But a ...

It takes intense pressure and temperatures north of 2,000 degrees for a diamond to form deep within the Earth. But these days, there’s another way to create a diamond: in a lab, where a diamond can go ...

Menlo Park, Calif. — A new study has found that “diamond rain,” a long-hypothesized exotic type of precipitation on ice giant planets, could be more common than previously thought. In an earlier ...

Emma Frost in Marvel Rivals Season 2 has a special ability in her diamond form that allows her to block or stop the ultimates of 19 heroes in the game. Emma Frost possesses a different set of ...

Molten carbon can form into either diamond or graphite. A new study shows how graphite can sometimes form even under conditions that should lead to diamond. (Getty Images) The graphite found in your ...