A 1.98-square-micrometer QR code, etched into ceramic thin film and verified by Guinness, showcases a new approach to ultra-dense, long-term data storage.

Scientists are warning that a microscopic predator is quietly exploiting the world’s warming and aging water systems, slipping past filters and disinfectants to reach human noses and, in rare cases, ...

The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by astronomer Fritz Zwicky, this elusive substance refuses to play by the rules: ...