March 21, 2026: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you ...

To synthesize the crystals, the team compressed highly ordered pyrolytic graphite to pressures as high as 20 gigapascals, ...

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

After decades of debate, researchers say that they have found the clearest evidence yet for this rare form of carbon ...

Atomic structure of the hexagonal diamond. Image from the study. Researchers named it lonsdaleite, after crystallographer ...

The future of our spacecraft could all come down to diamonds. While diamonds are often regarded as one of the hardest materials in existence, these hard gems, more specifically radioactive diamonds, ...

Scientists from China have claimed they might have found a mineral that is harder than the cubic diamond, which is known to the world as the hardest e.