Carbon forms the graphite in pencils, the diamonds in jewelry and the molecules that make up every living thing. But under ...

Researchers have synthesized millimetre-scale hexagonal diamond, a crystal structure so elusive that many physicists doubted ...

Researchers named it lonsdaleite, after crystallographer Kathleen Lonsdale, but for decades, no one was sure it truly existed. For 60 years, the material had only been reported in meteorite impact ...