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

Scientists created a pure hexagonal diamond in the lab, confirming a long-debated carbon structure slightly harder than ...

Huzzaifa was a healthy child. His family say the 11-year-old spent the cold winter days “laughing and playing” at his home in the northern Indian state of Haryana. One evening in late January, he came ...

From the outside, everything looks fine: You're functioning and mostly happy. But under the routines and responsibilities, there's a low-grade restlessness you can't quite name. Sometimes, it’s just ...