Diamond rain on Uranus and Neptune: Recent research suggests that extreme pressures and temperatures deep within Uranus and Neptune create conditions where carbon atoms crystallize into diamonds ...

Simulations suggest that water can become a superacid under extremely high heat and pressure conditions. This may also ...

Neptune and Uranus are made mostly of hydrogen, helium, and methane. Methane, the gas that gives these planets their bluish ...

Scientists have speculated for years that diamonds are abundant in the cores of the smaller, cooler gas giants, Neptune and Uranus ... determined that diamond rain is very likely.