Scientists created hexagonal diamond harder than regular diamond by squeezing and heating graphite under extreme conditions.

The brilliantly shiny diamond is more than just pretty; it's one of the hardest minerals on Earth, with a name derived from ...

The vast majority of polished diamonds are clear and sparkly, but some come in unexpected colors like blue, green and even ...

A £110M-per-gram carbon sphere may revolutionize GPS and smartphones. This nitrogen-filled fullerene powers atomic clocks ...