If you're looking to explore beyond the popular spots, the Dolomites in Italy offer hidden trails. The lesser-known paths offer stunning views of jagged peaks and serene valleys. Hikers can enjoy a ...

Conventional curved lenses, which direct light by refraction in glass or plastic, are often bulky and heavy, offering only limited control of light waves. Metasurfaces, in contrast, are flat and ...

New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the building blocks of life.